Home / 499,148.15-748,612.26-144,085.05

Finding the Fourth Proportional to 499,148.15, 748,612.26 and 144,085.05

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Solution

The fourth proportional to 499,148.15, 748,612.26 and 144,085.05 is: 216,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,148.15 : 748,612.26 = 144,085.05 : x
  2. Step 2: Convert to fraction form
    499,148.15/748,612.26 = 144,085.05/x
  3. Step 3: Cross multiply
    499,148.15x = 748,612.26 × 144,085.05
  4. Step 4: Simplify right side
    499,148.15x = 107,863,834,912.71
  5. Step 5: Solve for x
    x = 107,863,834,912.71/499,148.15
  6. Step 6: Final answer
    x = 216,095.83

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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.