Home / 308,290.32-425,453.04-179,228.16

Finding the Fourth Proportional to 308,290.32, 425,453.04 and 179,228.16

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Solution

The fourth proportional to 308,290.32, 425,453.04 and 179,228.16 is: 247,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,290.32 : 425,453.04 = 179,228.16 : x
  2. Step 2: Convert to fraction form
    308,290.32/425,453.04 = 179,228.16/x
  3. Step 3: Cross multiply
    308,290.32x = 425,453.04 × 179,228.16
  4. Step 4: Simplify right side
    308,290.32x = 76,253,165,525.61
  5. Step 5: Solve for x
    x = 76,253,165,525.61/308,290.32
  6. Step 6: Final answer
    x = 247,342.07

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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.