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Finding the Fourth Proportional to 247,401.80, 371,102.70 and 188,352.80

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Solution

The fourth proportional to 247,401.80, 371,102.70 and 188,352.80 is: 282,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,401.80 : 371,102.70 = 188,352.80 : x
  2. Step 2: Convert to fraction form
    247,401.80/371,102.70 = 188,352.80/x
  3. Step 3: Cross multiply
    247,401.80x = 371,102.70 × 188,352.80
  4. Step 4: Simplify right side
    247,401.80x = 69,898,232,632.56
  5. Step 5: Solve for x
    x = 69,898,232,632.56/247,401.80
  6. Step 6: Final answer
    x = 282,529.20

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1.5x scale

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.