Home / 459,287.28-633,825-255,355.20

Finding the Fourth Proportional to 459,287.28, 633,825 and 255,355.20

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Solution

The fourth proportional to 459,287.28, 633,825 and 255,355.20 is: 352,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,287.28 : 633,825 = 255,355.20 : x
  2. Step 2: Convert to fraction form
    459,287.28/633,825 = 255,355.20/x
  3. Step 3: Cross multiply
    459,287.28x = 633,825 × 255,355.20
  4. Step 4: Simplify right side
    459,287.28x = 161,850,509,640
  5. Step 5: Solve for x
    x = 161,850,509,640/459,287.28
  6. Step 6: Final answer
    x = 352,394.93

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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.