Home / 383,136.32-574,752.20-130,397.39

Finding the Fourth Proportional to 383,136.32, 574,752.20 and 130,397.39

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Solution

The fourth proportional to 383,136.32, 574,752.20 and 130,397.39 is: 195,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,136.32 : 574,752.20 = 130,397.39 : x
  2. Step 2: Convert to fraction form
    383,136.32/574,752.20 = 130,397.39/x
  3. Step 3: Cross multiply
    383,136.32x = 574,752.20 × 130,397.39
  4. Step 4: Simplify right side
    383,136.32x = 74,946,186,776.76
  5. Step 5: Solve for x
    x = 74,946,186,776.76/383,136.32
  6. Step 6: Final answer
    x = 195,612.33

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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.