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Finding the Fourth Proportional to 475,083.86, 655,616.01 and 260,227.52

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Solution

The fourth proportional to 475,083.86, 655,616.01 and 260,227.52 is: 359,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,083.86 : 655,616.01 = 260,227.52 : x
  2. Step 2: Convert to fraction form
    475,083.86/655,616.01 = 260,227.52/x
  3. Step 3: Cross multiply
    475,083.86x = 655,616.01 × 260,227.52
  4. Step 4: Simplify right side
    475,083.86x = 170,609,328,354.60
  5. Step 5: Solve for x
    x = 170,609,328,354.60/475,083.86
  6. Step 6: Final answer
    x = 359,114.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.