Home / 315,069.24-434,778.21-179,084.28

Finding the Fourth Proportional to 315,069.24, 434,778.21 and 179,084.28

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Solution

The fourth proportional to 315,069.24, 434,778.21 and 179,084.28 is: 247,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,069.24 : 434,778.21 = 179,084.28 : x
  2. Step 2: Convert to fraction form
    315,069.24/434,778.21 = 179,084.28/x
  3. Step 3: Cross multiply
    315,069.24x = 434,778.21 × 179,084.28
  4. Step 4: Simplify right side
    315,069.24x = 77,861,942,697.54
  5. Step 5: Solve for x
    x = 77,861,942,697.54/315,069.24
  6. Step 6: Final answer
    x = 247,126.45

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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.