Home / 317,131.12-437,870.58-204,150.70

Finding the Fourth Proportional to 317,131.12, 437,870.58 and 204,150.70

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Solution

The fourth proportional to 317,131.12, 437,870.58 and 204,150.70 is: 281,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,131.12 : 437,870.58 = 204,150.70 : x
  2. Step 2: Convert to fraction form
    317,131.12/437,870.58 = 204,150.70/x
  3. Step 3: Cross multiply
    317,131.12x = 437,870.58 × 204,150.70
  4. Step 4: Simplify right side
    317,131.12x = 89,391,585,416.41
  5. Step 5: Solve for x
    x = 89,391,585,416.41/317,131.12
  6. Step 6: Final answer
    x = 281,875.79

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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.