Home / 317,814.92-438,225.18-202,942.52

Finding the Fourth Proportional to 317,814.92, 438,225.18 and 202,942.52

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Solution

The fourth proportional to 317,814.92, 438,225.18 and 202,942.52 is: 279,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,814.92 : 438,225.18 = 202,942.52 : x
  2. Step 2: Convert to fraction form
    317,814.92/438,225.18 = 202,942.52/x
  3. Step 3: Cross multiply
    317,814.92x = 438,225.18 × 202,942.52
  4. Step 4: Simplify right side
    317,814.92x = 88,934,522,356.65
  5. Step 5: Solve for x
    x = 88,934,522,356.65/317,814.92
  6. Step 6: Final answer
    x = 279,831.17

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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.