Home / 615,200.08-922,236.36-215,623.03

Finding the Fourth Proportional to 615,200.08, 922,236.36 and 215,623.03

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Solution

The fourth proportional to 615,200.08, 922,236.36 and 215,623.03 is: 323,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,200.08 : 922,236.36 = 215,623.03 : x
  2. Step 2: Convert to fraction form
    615,200.08/922,236.36 = 215,623.03/x
  3. Step 3: Cross multiply
    615,200.08x = 922,236.36 × 215,623.03
  4. Step 4: Simplify right side
    615,200.08x = 198,855,398,319.37
  5. Step 5: Solve for x
    x = 198,855,398,319.37/615,200.08
  6. Step 6: Final answer
    x = 323,236.95

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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.