Home / 247,320.28-371,038.90-196,909.92

Finding the Fourth Proportional to 247,320.28, 371,038.90 and 196,909.92

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Solution

The fourth proportional to 247,320.28, 371,038.90 and 196,909.92 is: 295,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,320.28 : 371,038.90 = 196,909.92 : x
  2. Step 2: Convert to fraction form
    247,320.28/371,038.90 = 196,909.92/x
  3. Step 3: Cross multiply
    247,320.28x = 371,038.90 × 196,909.92
  4. Step 4: Simplify right side
    247,320.28x = 73,061,240,115.89
  5. Step 5: Solve for x
    x = 73,061,240,115.89/247,320.28
  6. Step 6: Final answer
    x = 295,411.44

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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.