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Finding the Fourth Proportional to 283,010.40, 424,515.60 and 133,200.90

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Solution

The fourth proportional to 283,010.40, 424,515.60 and 133,200.90 is: 199,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,010.40 : 424,515.60 = 133,200.90 : x
  2. Step 2: Convert to fraction form
    283,010.40/424,515.60 = 133,200.90/x
  3. Step 3: Cross multiply
    283,010.40x = 424,515.60 × 133,200.90
  4. Step 4: Simplify right side
    283,010.40x = 56,545,859,984.04
  5. Step 5: Solve for x
    x = 56,545,859,984.04/283,010.40
  6. Step 6: Final answer
    x = 199,801.35

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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.