Home / 342,311.04-472,352.88-189,324.92

Finding the Fourth Proportional to 342,311.04, 472,352.88 and 189,324.92

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Solution

The fourth proportional to 342,311.04, 472,352.88 and 189,324.92 is: 261,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,311.04 : 472,352.88 = 189,324.92 : x
  2. Step 2: Convert to fraction form
    342,311.04/472,352.88 = 189,324.92/x
  3. Step 3: Cross multiply
    342,311.04x = 472,352.88 × 189,324.92
  4. Step 4: Simplify right side
    342,311.04x = 89,428,168,856.01
  5. Step 5: Solve for x
    x = 89,428,168,856.01/342,311.04
  6. Step 6: Final answer
    x = 261,248.28

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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.