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Finding the Fourth Proportional to 475,069.50, 655,576.71 and 284,188.38

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Solution

The fourth proportional to 475,069.50, 655,576.71 and 284,188.38 is: 392,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,069.50 : 655,576.71 = 284,188.38 : x
  2. Step 2: Convert to fraction form
    475,069.50/655,576.71 = 284,188.38/x
  3. Step 3: Cross multiply
    475,069.50x = 655,576.71 × 284,188.38
  4. Step 4: Simplify right side
    475,069.50x = 186,307,283,180.63
  5. Step 5: Solve for x
    x = 186,307,283,180.63/475,069.50
  6. Step 6: Final answer
    x = 392,168.48

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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.