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Finding the Fourth Proportional to 377,999.60, 499,332.72 and 377,999.60

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Solution

The fourth proportional to 377,999.60, 499,332.72 and 377,999.60 is: 499,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,999.60 : 499,332.72 = 377,999.60 : x
  2. Step 2: Convert to fraction form
    377,999.60/499,332.72 = 377,999.60/x
  3. Step 3: Cross multiply
    377,999.60x = 499,332.72 × 377,999.60
  4. Step 4: Simplify right side
    377,999.60x = 188,747,568,426.91
  5. Step 5: Solve for x
    x = 188,747,568,426.91/377,999.60
  6. Step 6: Final answer
    x = 499,332.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.