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Finding the Fourth Proportional to 295,463.70, 443,195.55 and 85,122.90

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Solution

The fourth proportional to 295,463.70, 443,195.55 and 85,122.90 is: 127,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,463.70 : 443,195.55 = 85,122.90 : x
  2. Step 2: Convert to fraction form
    295,463.70/443,195.55 = 85,122.90/x
  3. Step 3: Cross multiply
    295,463.70x = 443,195.55 × 85,122.90
  4. Step 4: Simplify right side
    295,463.70x = 37,726,090,483.10
  5. Step 5: Solve for x
    x = 37,726,090,483.10/295,463.70
  6. Step 6: Final answer
    x = 127,684.35

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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.