Home / 403,433.08-605,152.86-137,254.12

Finding the Fourth Proportional to 403,433.08, 605,152.86 and 137,254.12

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Solution

The fourth proportional to 403,433.08, 605,152.86 and 137,254.12 is: 205,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,433.08 : 605,152.86 = 137,254.12 : x
  2. Step 2: Convert to fraction form
    403,433.08/605,152.86 = 137,254.12/x
  3. Step 3: Cross multiply
    403,433.08x = 605,152.86 × 137,254.12
  4. Step 4: Simplify right side
    403,433.08x = 83,059,723,264.78
  5. Step 5: Solve for x
    x = 83,059,723,264.78/403,433.08
  6. Step 6: Final answer
    x = 205,882.28

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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.