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Finding the Fourth Proportional to 377,048.53, 565,842.68 and 137,161.96

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Solution

The fourth proportional to 377,048.53, 565,842.68 and 137,161.96 is: 205,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,048.53 : 565,842.68 = 137,161.96 : x
  2. Step 2: Convert to fraction form
    377,048.53/565,842.68 = 137,161.96/x
  3. Step 3: Cross multiply
    377,048.53x = 565,842.68 × 137,161.96
  4. Step 4: Simplify right side
    377,048.53x = 77,612,091,040.45
  5. Step 5: Solve for x
    x = 77,612,091,040.45/377,048.53
  6. Step 6: Final answer
    x = 205,841.12

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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.