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Finding the Fourth Proportional to 475,255.17, 655,852.01 and 260,403.39

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Solution

The fourth proportional to 475,255.17, 655,852.01 and 260,403.39 is: 359,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,255.17 : 655,852.01 = 260,403.39 : x
  2. Step 2: Convert to fraction form
    475,255.17/655,852.01 = 260,403.39/x
  3. Step 3: Cross multiply
    475,255.17x = 655,852.01 × 260,403.39
  4. Step 4: Simplify right side
    475,255.17x = 170,786,085,440.30
  5. Step 5: Solve for x
    x = 170,786,085,440.30/475,255.17
  6. Step 6: Final answer
    x = 359,356.61

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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.