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Finding the Fourth Proportional to 252,024.70, 378,037.05 and 217,810.30

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Solution

The fourth proportional to 252,024.70, 378,037.05 and 217,810.30 is: 326,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,024.70 : 378,037.05 = 217,810.30 : x
  2. Step 2: Convert to fraction form
    252,024.70/378,037.05 = 217,810.30/x
  3. Step 3: Cross multiply
    252,024.70x = 378,037.05 × 217,810.30
  4. Step 4: Simplify right side
    252,024.70x = 82,340,363,271.62
  5. Step 5: Solve for x
    x = 82,340,363,271.62/252,024.70
  6. Step 6: Final answer
    x = 326,715.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.