Home / 308,311.32-425,482.02-179,249.16

Finding the Fourth Proportional to 308,311.32, 425,482.02 and 179,249.16

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Solution

The fourth proportional to 308,311.32, 425,482.02 and 179,249.16 is: 247,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,311.32 : 425,482.02 = 179,249.16 : x
  2. Step 2: Convert to fraction form
    308,311.32/425,482.02 = 179,249.16/x
  3. Step 3: Cross multiply
    308,311.32x = 425,482.02 × 179,249.16
  4. Step 4: Simplify right side
    308,311.32x = 76,267,294,680.10
  5. Step 5: Solve for x
    x = 76,267,294,680.10/308,311.32
  6. Step 6: Final answer
    x = 247,371.05

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1.5x scale

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.