Home / 352,638.20-529,475.70-247,921.40

Finding the Fourth Proportional to 352,638.20, 529,475.70 and 247,921.40

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Solution

The fourth proportional to 352,638.20, 529,475.70 and 247,921.40 is: 372,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,638.20 : 529,475.70 = 247,921.40 : x
  2. Step 2: Convert to fraction form
    352,638.20/529,475.70 = 247,921.40/x
  3. Step 3: Cross multiply
    352,638.20x = 529,475.70 × 247,921.40
  4. Step 4: Simplify right side
    352,638.20x = 131,268,356,809.98
  5. Step 5: Solve for x
    x = 131,268,356,809.98/352,638.20
  6. Step 6: Final answer
    x = 372,246.56

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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.