Home / 382,511.40-573,767.10-145,861.80

Finding the Fourth Proportional to 382,511.40, 573,767.10 and 145,861.80

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Solution

The fourth proportional to 382,511.40, 573,767.10 and 145,861.80 is: 218,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,511.40 : 573,767.10 = 145,861.80 : x
  2. Step 2: Convert to fraction form
    382,511.40/573,767.10 = 145,861.80/x
  3. Step 3: Cross multiply
    382,511.40x = 573,767.10 × 145,861.80
  4. Step 4: Simplify right side
    382,511.40x = 83,690,701,986.78
  5. Step 5: Solve for x
    x = 83,690,701,986.78/382,511.40
  6. Step 6: Final answer
    x = 218,792.70

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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.