Home / 300,190,185.28-414,266,686.46-172,960,547.49

Finding the Fourth Proportional to 300,190,185.28, 414,266,686.46 and 172,960,547.49

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Solution

The fourth proportional to 300,190,185.28, 414,266,686.46 and 172,960,547.49 is: 238,687,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,190,185.28 : 414,266,686.46 = 172,960,547.49 : x
  2. Step 2: Convert to fraction form
    300,190,185.28/414,266,686.46 = 172,960,547.49/x
  3. Step 3: Cross multiply
    300,190,185.28x = 414,266,686.46 × 172,960,547.49
  4. Step 4: Simplify right side
    300,190,185.28x = 71,651,792,898,208,816
  5. Step 5: Solve for x
    x = 71,651,792,898,208,816/300,190,185.28
  6. Step 6: Final answer
    x = 238,687,993.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.