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Finding the Fourth Proportional to 377,207.77, 565,928.53 and 130,752.47

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Solution

The fourth proportional to 377,207.77, 565,928.53 and 130,752.47 is: 196,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,207.77 : 565,928.53 = 130,752.47 : x
  2. Step 2: Convert to fraction form
    377,207.77/565,928.53 = 130,752.47/x
  3. Step 3: Cross multiply
    377,207.77x = 565,928.53 × 130,752.47
  4. Step 4: Simplify right side
    377,207.77x = 73,996,553,140.97
  5. Step 5: Solve for x
    x = 73,996,553,140.97/377,207.77
  6. Step 6: Final answer
    x = 196,169.22

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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.