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Finding the Fourth Proportional to 283,470.57, 424,950.59 and 103,430.32

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Solution

The fourth proportional to 283,470.57, 424,950.59 and 103,430.32 is: 155,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,470.57 : 424,950.59 = 103,430.32 : x
  2. Step 2: Convert to fraction form
    283,470.57/424,950.59 = 103,430.32/x
  3. Step 3: Cross multiply
    283,470.57x = 424,950.59 × 103,430.32
  4. Step 4: Simplify right side
    283,470.57x = 43,952,775,575.95
  5. Step 5: Solve for x
    x = 43,952,775,575.95/283,470.57
  6. Step 6: Final answer
    x = 155,052.34

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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.