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Finding the Fourth Proportional to 228,447.52, 342,445.23 and 108,293.43

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Solution

The fourth proportional to 228,447.52, 342,445.23 and 108,293.43 is: 162,332.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,447.52 : 342,445.23 = 108,293.43 : x
  2. Step 2: Convert to fraction form
    228,447.52/342,445.23 = 108,293.43/x
  3. Step 3: Cross multiply
    228,447.52x = 342,445.23 × 108,293.43
  4. Step 4: Simplify right side
    228,447.52x = 37,084,568,543.84
  5. Step 5: Solve for x
    x = 37,084,568,543.84/228,447.52
  6. Step 6: Final answer
    x = 162,332.99

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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.