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Finding the Fourth Proportional to 283,160.08, 424,730.40 and 83,472.40

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Solution

The fourth proportional to 283,160.08, 424,730.40 and 83,472.40 is: 125,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,160.08 : 424,730.40 = 83,472.40 : x
  2. Step 2: Convert to fraction form
    283,160.08/424,730.40 = 83,472.40/x
  3. Step 3: Cross multiply
    283,160.08x = 424,730.40 × 83,472.40
  4. Step 4: Simplify right side
    283,160.08x = 35,453,265,840.96
  5. Step 5: Solve for x
    x = 35,453,265,840.96/283,160.08
  6. Step 6: Final answer
    x = 125,205.73

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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.