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Finding the Fourth Proportional to 477,179.08, 658,519.72 and 259,402.40

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Solution

The fourth proportional to 477,179.08, 658,519.72 and 259,402.40 is: 357,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,179.08 : 658,519.72 = 259,402.40 : x
  2. Step 2: Convert to fraction form
    477,179.08/658,519.72 = 259,402.40/x
  3. Step 3: Cross multiply
    477,179.08x = 658,519.72 × 259,402.40
  4. Step 4: Simplify right side
    477,179.08x = 170,821,595,815.33
  5. Step 5: Solve for x
    x = 170,821,595,815.33/477,179.08
  6. Step 6: Final answer
    x = 357,982.16

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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.