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Finding the Fourth Proportional to 475,059.78, 655,575.26 and 260,199.18

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Solution

The fourth proportional to 475,059.78, 655,575.26 and 260,199.18 is: 359,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,059.78 : 655,575.26 = 260,199.18 : x
  2. Step 2: Convert to fraction form
    475,059.78/655,575.26 = 260,199.18/x
  3. Step 3: Cross multiply
    475,059.78x = 655,575.26 × 260,199.18
  4. Step 4: Simplify right side
    475,059.78x = 170,580,143,779.29
  5. Step 5: Solve for x
    x = 170,580,143,779.29/475,059.78
  6. Step 6: Final answer
    x = 359,070.90

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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.