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Finding the Fourth Proportional to 246,655.92, 340,384.59 and 133,478.76

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Solution

The fourth proportional to 246,655.92, 340,384.59 and 133,478.76 is: 184,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,655.92 : 340,384.59 = 133,478.76 : x
  2. Step 2: Convert to fraction form
    246,655.92/340,384.59 = 133,478.76/x
  3. Step 3: Cross multiply
    246,655.92x = 340,384.59 × 133,478.76
  4. Step 4: Simplify right side
    246,655.92x = 45,434,112,996.31
  5. Step 5: Solve for x
    x = 45,434,112,996.31/246,655.92
  6. Step 6: Final answer
    x = 184,200.38

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1.5x scale

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.