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Finding the Fourth Proportional to 475,041.62, 655,534.14 and 260,182.64

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Solution

The fourth proportional to 475,041.62, 655,534.14 and 260,182.64 is: 359,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,041.62 : 655,534.14 = 260,182.64 : x
  2. Step 2: Convert to fraction form
    475,041.62/655,534.14 = 260,182.64/x
  3. Step 3: Cross multiply
    475,041.62x = 655,534.14 × 260,182.64
  4. Step 4: Simplify right side
    475,041.62x = 170,558,603,155.33
  5. Step 5: Solve for x
    x = 170,558,603,155.33/475,041.62
  6. Step 6: Final answer
    x = 359,039.28

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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.