Home / 385,549.17-532,116.61-240,378.50

Finding the Fourth Proportional to 385,549.17, 532,116.61 and 240,378.50

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Solution

The fourth proportional to 385,549.17, 532,116.61 and 240,378.50 is: 331,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,549.17 : 532,116.61 = 240,378.50 : x
  2. Step 2: Convert to fraction form
    385,549.17/532,116.61 = 240,378.50/x
  3. Step 3: Cross multiply
    385,549.17x = 532,116.61 × 240,378.50
  4. Step 4: Simplify right side
    385,549.17x = 127,909,392,536.89
  5. Step 5: Solve for x
    x = 127,909,392,536.89/385,549.17
  6. Step 6: Final answer
    x = 331,758.96

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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.