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Finding the Fourth Proportional to 355,700.27, 533,550.41 and 145,338

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Solution

The fourth proportional to 355,700.27, 533,550.41 and 145,338 is: 218,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,700.27 : 533,550.41 = 145,338 : x
  2. Step 2: Convert to fraction form
    355,700.27/533,550.41 = 145,338/x
  3. Step 3: Cross multiply
    355,700.27x = 533,550.41 × 145,338
  4. Step 4: Simplify right side
    355,700.27x = 77,545,148,761.89
  5. Step 5: Solve for x
    x = 77,545,148,761.89/355,700.27
  6. Step 6: Final answer
    x = 218,007.00

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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.