Home / 300,894.02-451,090.88-140,891.28

Finding the Fourth Proportional to 300,894.02, 451,090.88 and 140,891.28

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Solution

The fourth proportional to 300,894.02, 451,090.88 and 140,891.28 is: 211,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,894.02 : 451,090.88 = 140,891.28 : x
  2. Step 2: Convert to fraction form
    300,894.02/451,090.88 = 140,891.28/x
  3. Step 3: Cross multiply
    300,894.02x = 451,090.88 × 140,891.28
  4. Step 4: Simplify right side
    300,894.02x = 63,554,771,479.53
  5. Step 5: Solve for x
    x = 63,554,771,479.53/300,894.02
  6. Step 6: Final answer
    x = 211,219.79

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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.