Home / 315,065.06-434,772.48-179,080.12

Finding the Fourth Proportional to 315,065.06, 434,772.48 and 179,080.12

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Solution

The fourth proportional to 315,065.06, 434,772.48 and 179,080.12 is: 247,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,065.06 : 434,772.48 = 179,080.12 : x
  2. Step 2: Convert to fraction form
    315,065.06/434,772.48 = 179,080.12/x
  3. Step 3: Cross multiply
    315,065.06x = 434,772.48 × 179,080.12
  4. Step 4: Simplify right side
    315,065.06x = 77,859,107,891.10
  5. Step 5: Solve for x
    x = 77,859,107,891.10/315,065.06
  6. Step 6: Final answer
    x = 247,120.73

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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.