Home / 410,088.96-615,330-223,100.16

Finding the Fourth Proportional to 410,088.96, 615,330 and 223,100.16

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Solution

The fourth proportional to 410,088.96, 615,330 and 223,100.16 is: 334,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,088.96 : 615,330 = 223,100.16 : x
  2. Step 2: Convert to fraction form
    410,088.96/615,330 = 223,100.16/x
  3. Step 3: Cross multiply
    410,088.96x = 615,330 × 223,100.16
  4. Step 4: Simplify right side
    410,088.96x = 137,280,221,452.80
  5. Step 5: Solve for x
    x = 137,280,221,452.80/410,088.96
  6. Step 6: Final answer
    x = 334,757.17

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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.