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Finding the Fourth Proportional to 338,599.59, 507,541.29 and 125,230.38

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Solution

The fourth proportional to 338,599.59, 507,541.29 and 125,230.38 is: 187,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,599.59 : 507,541.29 = 125,230.38 : x
  2. Step 2: Convert to fraction form
    338,599.59/507,541.29 = 125,230.38/x
  3. Step 3: Cross multiply
    338,599.59x = 507,541.29 × 125,230.38
  4. Step 4: Simplify right side
    338,599.59x = 63,559,588,612.39
  5. Step 5: Solve for x
    x = 63,559,588,612.39/338,599.59
  6. Step 6: Final answer
    x = 187,713.13

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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.