Home / 615,187.08-922,216.86-215,610.04

Finding the Fourth Proportional to 615,187.08, 922,216.86 and 215,610.04

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Solution

The fourth proportional to 615,187.08, 922,216.86 and 215,610.04 is: 323,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,187.08 : 922,216.86 = 215,610.04 : x
  2. Step 2: Convert to fraction form
    615,187.08/922,216.86 = 215,610.04/x
  3. Step 3: Cross multiply
    615,187.08x = 922,216.86 × 215,610.04
  4. Step 4: Simplify right side
    615,187.08x = 198,839,214,073.27
  5. Step 5: Solve for x
    x = 198,839,214,073.27/615,187.08
  6. Step 6: Final answer
    x = 323,217.47

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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.