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Finding the Fourth Proportional to 540,126.48, 810,179.28 and 161,303.88

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Solution

The fourth proportional to 540,126.48, 810,179.28 and 161,303.88 is: 241,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,126.48 : 810,179.28 = 161,303.88 : x
  2. Step 2: Convert to fraction form
    540,126.48/810,179.28 = 161,303.88/x
  3. Step 3: Cross multiply
    540,126.48x = 810,179.28 × 161,303.88
  4. Step 4: Simplify right side
    540,126.48x = 130,685,061,359.61
  5. Step 5: Solve for x
    x = 130,685,061,359.61/540,126.48
  6. Step 6: Final answer
    x = 241,952.70

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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.