Home / 342,342.04-472,423.18-189,376.24

Finding the Fourth Proportional to 342,342.04, 472,423.18 and 189,376.24

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Solution

The fourth proportional to 342,342.04, 472,423.18 and 189,376.24 is: 261,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,342.04 : 472,423.18 = 189,376.24 : x
  2. Step 2: Convert to fraction form
    342,342.04/472,423.18 = 189,376.24/x
  3. Step 3: Cross multiply
    342,342.04x = 472,423.18 × 189,376.24
  4. Step 4: Simplify right side
    342,342.04x = 89,465,725,517.24
  5. Step 5: Solve for x
    x = 89,465,725,517.24/342,342.04
  6. Step 6: Final answer
    x = 261,334.32

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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.