Home / 447,264.84-670,665.60-131,680.20

Finding the Fourth Proportional to 447,264.84, 670,665.60 and 131,680.20

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Solution

The fourth proportional to 447,264.84, 670,665.60 and 131,680.20 is: 197,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,264.84 : 670,665.60 = 131,680.20 : x
  2. Step 2: Convert to fraction form
    447,264.84/670,665.60 = 131,680.20/x
  3. Step 3: Cross multiply
    447,264.84x = 670,665.60 × 131,680.20
  4. Step 4: Simplify right side
    447,264.84x = 88,313,380,341.12
  5. Step 5: Solve for x
    x = 88,313,380,341.12/447,264.84
  6. Step 6: Final answer
    x = 197,452.10

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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.