Home / 315,331.27-435,166.68-179,384.71

Finding the Fourth Proportional to 315,331.27, 435,166.68 and 179,384.71

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Solution

The fourth proportional to 315,331.27, 435,166.68 and 179,384.71 is: 247,556.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,331.27 : 435,166.68 = 179,384.71 : x
  2. Step 2: Convert to fraction form
    315,331.27/435,166.68 = 179,384.71/x
  3. Step 3: Cross multiply
    315,331.27x = 435,166.68 × 179,384.71
  4. Step 4: Simplify right side
    315,331.27x = 78,062,248,693.46
  5. Step 5: Solve for x
    x = 78,062,248,693.46/315,331.27
  6. Step 6: Final answer
    x = 247,556.32

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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.