Home / 426,643.20-588,772.80-235,677.60

Finding the Fourth Proportional to 426,643.20, 588,772.80 and 235,677.60

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Solution

The fourth proportional to 426,643.20, 588,772.80 and 235,677.60 is: 325,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,643.20 : 588,772.80 = 235,677.60 : x
  2. Step 2: Convert to fraction form
    426,643.20/588,772.80 = 235,677.60/x
  3. Step 3: Cross multiply
    426,643.20x = 588,772.80 × 235,677.60
  4. Step 4: Simplify right side
    426,643.20x = 138,760,560,449.28
  5. Step 5: Solve for x
    x = 138,760,560,449.28/426,643.20
  6. Step 6: Final answer
    x = 325,237.95

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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.