Home / 317,141.16-437,884.40-204,160.72

Finding the Fourth Proportional to 317,141.16, 437,884.40 and 204,160.72

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Solution

The fourth proportional to 317,141.16, 437,884.40 and 204,160.72 is: 281,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,141.16 : 437,884.40 = 204,160.72 : x
  2. Step 2: Convert to fraction form
    317,141.16/437,884.40 = 204,160.72/x
  3. Step 3: Cross multiply
    317,141.16x = 437,884.40 × 204,160.72
  4. Step 4: Simplify right side
    317,141.16x = 89,398,794,380.77
  5. Step 5: Solve for x
    x = 89,398,794,380.77/317,141.16
  6. Step 6: Final answer
    x = 281,889.60

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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.