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Finding the Fourth Proportional to 475,059.50, 655,594.88 and 268,311.32

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Solution

The fourth proportional to 475,059.50, 655,594.88 and 268,311.32 is: 370,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,059.50 : 655,594.88 = 268,311.32 : x
  2. Step 2: Convert to fraction form
    475,059.50/655,594.88 = 268,311.32/x
  3. Step 3: Cross multiply
    475,059.50x = 655,594.88 × 268,311.32
  4. Step 4: Simplify right side
    475,059.50x = 175,903,527,638.04
  5. Step 5: Solve for x
    x = 175,903,527,638.04/475,059.50
  6. Step 6: Final answer
    x = 370,276.83

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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.