Home / 317,197.36-437,766.72-202,581.28

Finding the Fourth Proportional to 317,197.36, 437,766.72 and 202,581.28

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Solution

The fourth proportional to 317,197.36, 437,766.72 and 202,581.28 is: 279,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,197.36 : 437,766.72 = 202,581.28 : x
  2. Step 2: Convert to fraction form
    317,197.36/437,766.72 = 202,581.28/x
  3. Step 3: Cross multiply
    317,197.36x = 437,766.72 × 202,581.28
  4. Step 4: Simplify right side
    317,197.36x = 88,683,342,479.00
  5. Step 5: Solve for x
    x = 88,683,342,479.00/317,197.36
  6. Step 6: Final answer
    x = 279,584.11

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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.