Home / 321,913.20-482,867.40-97,273.20

Finding the Fourth Proportional to 321,913.20, 482,867.40 and 97,273.20

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Solution

The fourth proportional to 321,913.20, 482,867.40 and 97,273.20 is: 145,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,913.20 : 482,867.40 = 97,273.20 : x
  2. Step 2: Convert to fraction form
    321,913.20/482,867.40 = 97,273.20/x
  3. Step 3: Cross multiply
    321,913.20x = 482,867.40 × 97,273.20
  4. Step 4: Simplify right side
    321,913.20x = 46,970,057,173.68
  5. Step 5: Solve for x
    x = 46,970,057,173.68/321,913.20
  6. Step 6: Final answer
    x = 145,909.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.