Home / 355,669.38-533,501.24-145,159.70

Finding the Fourth Proportional to 355,669.38, 533,501.24 and 145,159.70

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Solution

The fourth proportional to 355,669.38, 533,501.24 and 145,159.70 is: 217,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,669.38 : 533,501.24 = 145,159.70 : x
  2. Step 2: Convert to fraction form
    355,669.38/533,501.24 = 145,159.70/x
  3. Step 3: Cross multiply
    355,669.38x = 533,501.24 × 145,159.70
  4. Step 4: Simplify right side
    355,669.38x = 77,442,876,554.72
  5. Step 5: Solve for x
    x = 77,442,876,554.72/355,669.38
  6. Step 6: Final answer
    x = 217,738.39

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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.