Home / 355,780.45-533,845.95-166,253.86

Finding the Fourth Proportional to 355,780.45, 533,845.95 and 166,253.86

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Solution

The fourth proportional to 355,780.45, 533,845.95 and 166,253.86 is: 249,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,780.45 : 533,845.95 = 166,253.86 : x
  2. Step 2: Convert to fraction form
    355,780.45/533,845.95 = 166,253.86/x
  3. Step 3: Cross multiply
    355,780.45x = 533,845.95 × 166,253.86
  4. Step 4: Simplify right side
    355,780.45x = 88,753,949,832.87
  5. Step 5: Solve for x
    x = 88,753,949,832.87/355,780.45
  6. Step 6: Final answer
    x = 249,462.69

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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.