Home / 246,655.86-340,385.05-133,478.61

Finding the Fourth Proportional to 246,655.86, 340,385.05 and 133,478.61

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Solution

The fourth proportional to 246,655.86, 340,385.05 and 133,478.61 is: 184,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,655.86 : 340,385.05 = 133,478.61 : x
  2. Step 2: Convert to fraction form
    246,655.86/340,385.05 = 133,478.61/x
  3. Step 3: Cross multiply
    246,655.86x = 340,385.05 × 133,478.61
  4. Step 4: Simplify right side
    246,655.86x = 45,434,123,338.78
  5. Step 5: Solve for x
    x = 45,434,123,338.78/246,655.86
  6. Step 6: Final answer
    x = 184,200.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.