Home / 338,426.47-507,105.70-124,900.55

Finding the Fourth Proportional to 338,426.47, 507,105.70 and 124,900.55

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Solution

The fourth proportional to 338,426.47, 507,105.70 and 124,900.55 is: 187,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,426.47 : 507,105.70 = 124,900.55 : x
  2. Step 2: Convert to fraction form
    338,426.47/507,105.70 = 124,900.55/x
  3. Step 3: Cross multiply
    338,426.47x = 507,105.70 × 124,900.55
  4. Step 4: Simplify right side
    338,426.47x = 63,337,779,892.00
  5. Step 5: Solve for x
    x = 63,337,779,892.00/338,426.47
  6. Step 6: Final answer
    x = 187,153.74

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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.