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Finding the Fourth Proportional to 426,316.92, 588,317.46 and 235,330.44

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Solution

The fourth proportional to 426,316.92, 588,317.46 and 235,330.44 is: 324,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,316.92 : 588,317.46 = 235,330.44 : x
  2. Step 2: Convert to fraction form
    426,316.92/588,317.46 = 235,330.44/x
  3. Step 3: Cross multiply
    426,316.92x = 588,317.46 × 235,330.44
  4. Step 4: Simplify right side
    426,316.92x = 138,449,006,721.48
  5. Step 5: Solve for x
    x = 138,449,006,721.48/426,316.92
  6. Step 6: Final answer
    x = 324,756.07

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1.5x scale

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.