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Finding the Fourth Proportional to 283,030.22, 424,555.86 and 83,350.64

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Solution

The fourth proportional to 283,030.22, 424,555.86 and 83,350.64 is: 125,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,030.22 : 424,555.86 = 83,350.64 : x
  2. Step 2: Convert to fraction form
    283,030.22/424,555.86 = 83,350.64/x
  3. Step 3: Cross multiply
    283,030.22x = 424,555.86 × 83,350.64
  4. Step 4: Simplify right side
    283,030.22x = 35,387,002,646.75
  5. Step 5: Solve for x
    x = 35,387,002,646.75/283,030.22
  6. Step 6: Final answer
    x = 125,029.06

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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.