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Finding the Fourth Proportional to 244,123.20, 365,407.20 and 174,139.20

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Solution

The fourth proportional to 244,123.20, 365,407.20 and 174,139.20 is: 260,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,123.20 : 365,407.20 = 174,139.20 : x
  2. Step 2: Convert to fraction form
    244,123.20/365,407.20 = 174,139.20/x
  3. Step 3: Cross multiply
    244,123.20x = 365,407.20 × 174,139.20
  4. Step 4: Simplify right side
    244,123.20x = 63,631,717,482.24
  5. Step 5: Solve for x
    x = 63,631,717,482.24/244,123.20
  6. Step 6: Final answer
    x = 260,654.12

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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.