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Finding the Fourth Proportional to 499,365.42, 749,084.58 and 144,381.30

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Solution

The fourth proportional to 499,365.42, 749,084.58 and 144,381.30 is: 216,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,365.42 : 749,084.58 = 144,381.30 : x
  2. Step 2: Convert to fraction form
    499,365.42/749,084.58 = 144,381.30/x
  3. Step 3: Cross multiply
    499,365.42x = 749,084.58 × 144,381.30
  4. Step 4: Simplify right side
    499,365.42x = 108,153,805,470.35
  5. Step 5: Solve for x
    x = 108,153,805,470.35/499,365.42
  6. Step 6: Final answer
    x = 216,582.49

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1.5x scale

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.