Home / 403,519.08-605,283.48-137,285.04

Finding the Fourth Proportional to 403,519.08, 605,283.48 and 137,285.04

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Solution

The fourth proportional to 403,519.08, 605,283.48 and 137,285.04 is: 205,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,519.08 : 605,283.48 = 137,285.04 : x
  2. Step 2: Convert to fraction form
    403,519.08/605,283.48 = 137,285.04/x
  3. Step 3: Cross multiply
    403,519.08x = 605,283.48 × 137,285.04
  4. Step 4: Simplify right side
    403,519.08x = 83,096,366,763.14
  5. Step 5: Solve for x
    x = 83,096,366,763.14/403,519.08
  6. Step 6: Final answer
    x = 205,929.21

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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.