Home / 317,149.16-437,895.44-204,168.72

Finding the Fourth Proportional to 317,149.16, 437,895.44 and 204,168.72

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Solution

The fourth proportional to 317,149.16, 437,895.44 and 204,168.72 is: 281,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,149.16 : 437,895.44 = 204,168.72 : x
  2. Step 2: Convert to fraction form
    317,149.16/437,895.44 = 204,168.72/x
  3. Step 3: Cross multiply
    317,149.16x = 437,895.44 × 204,168.72
  4. Step 4: Simplify right side
    317,149.16x = 89,404,551,478.64
  5. Step 5: Solve for x
    x = 89,404,551,478.64/317,149.16
  6. Step 6: Final answer
    x = 281,900.64

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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.