Home / 317,127.12-437,865.06-204,146.70

Finding the Fourth Proportional to 317,127.12, 437,865.06 and 204,146.70

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Solution

The fourth proportional to 317,127.12, 437,865.06 and 204,146.70 is: 281,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,127.12 : 437,865.06 = 204,146.70 : x
  2. Step 2: Convert to fraction form
    317,127.12/437,865.06 = 204,146.70/x
  3. Step 3: Cross multiply
    317,127.12x = 437,865.06 × 204,146.70
  4. Step 4: Simplify right side
    317,127.12x = 89,388,707,044.30
  5. Step 5: Solve for x
    x = 89,388,707,044.30/317,127.12
  6. Step 6: Final answer
    x = 281,870.27

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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.