Home / 385,534.30-532,037.26-215,768.43

Finding the Fourth Proportional to 385,534.30, 532,037.26 and 215,768.43

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Solution

The fourth proportional to 385,534.30, 532,037.26 and 215,768.43 is: 297,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,534.30 : 532,037.26 = 215,768.43 : x
  2. Step 2: Convert to fraction form
    385,534.30/532,037.26 = 215,768.43/x
  3. Step 3: Cross multiply
    385,534.30x = 532,037.26 × 215,768.43
  4. Step 4: Simplify right side
    385,534.30x = 114,796,844,291.70
  5. Step 5: Solve for x
    x = 114,796,844,291.70/385,534.30
  6. Step 6: Final answer
    x = 297,760.39

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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.