Home / 499,811.60-749,717.40-144,837.20

Finding the Fourth Proportional to 499,811.60, 749,717.40 and 144,837.20

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Solution

The fourth proportional to 499,811.60, 749,717.40 and 144,837.20 is: 217,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,811.60 : 749,717.40 = 144,837.20 : x
  2. Step 2: Convert to fraction form
    499,811.60/749,717.40 = 144,837.20/x
  3. Step 3: Cross multiply
    499,811.60x = 749,717.40 × 144,837.20
  4. Step 4: Simplify right side
    499,811.60x = 108,586,969,007.28
  5. Step 5: Solve for x
    x = 108,586,969,007.28/499,811.60
  6. Step 6: Final answer
    x = 217,255.80

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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.