Home / 279,849.20-386,200.32-152,533.04

Finding the Fourth Proportional to 279,849.20, 386,200.32 and 152,533.04

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Solution

The fourth proportional to 279,849.20, 386,200.32 and 152,533.04 is: 210,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,849.20 : 386,200.32 = 152,533.04 : x
  2. Step 2: Convert to fraction form
    279,849.20/386,200.32 = 152,533.04/x
  3. Step 3: Cross multiply
    279,849.20x = 386,200.32 × 152,533.04
  4. Step 4: Simplify right side
    279,849.20x = 58,908,308,858.57
  5. Step 5: Solve for x
    x = 58,908,308,858.57/279,849.20
  6. Step 6: Final answer
    x = 210,500.19

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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.