Home / 399,127.84-598,867.06-209,544.16

Finding the Fourth Proportional to 399,127.84, 598,867.06 and 209,544.16

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Solution

The fourth proportional to 399,127.84, 598,867.06 and 209,544.16 is: 314,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,127.84 : 598,867.06 = 209,544.16 : x
  2. Step 2: Convert to fraction form
    399,127.84/598,867.06 = 209,544.16/x
  3. Step 3: Cross multiply
    399,127.84x = 598,867.06 × 209,544.16
  4. Step 4: Simplify right side
    399,127.84x = 125,489,095,144.38
  5. Step 5: Solve for x
    x = 125,489,095,144.38/399,127.84
  6. Step 6: Final answer
    x = 314,408.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.