Home / 426,728.15-588,834.63-235,730.15

Finding the Fourth Proportional to 426,728.15, 588,834.63 and 235,730.15

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Solution

The fourth proportional to 426,728.15, 588,834.63 and 235,730.15 is: 325,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,728.15 : 588,834.63 = 235,730.15 : x
  2. Step 2: Convert to fraction form
    426,728.15/588,834.63 = 235,730.15/x
  3. Step 3: Cross multiply
    426,728.15x = 588,834.63 × 235,730.15
  4. Step 4: Simplify right side
    426,728.15x = 138,806,071,532.27
  5. Step 5: Solve for x
    x = 138,806,071,532.27/426,728.15
  6. Step 6: Final answer
    x = 325,279.86

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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.