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Finding the Fourth Proportional to 383,813.76, 571,861.68 and 362,352

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Solution

The fourth proportional to 383,813.76, 571,861.68 and 362,352 is: 539,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,813.76 : 571,861.68 = 362,352 : x
  2. Step 2: Convert to fraction form
    383,813.76/571,861.68 = 362,352/x
  3. Step 3: Cross multiply
    383,813.76x = 571,861.68 × 362,352
  4. Step 4: Simplify right side
    383,813.76x = 207,215,223,471.36
  5. Step 5: Solve for x
    x = 207,215,223,471.36/383,813.76
  6. Step 6: Final answer
    x = 539,884.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.