Home / 342,928.40-473,234.99-189,966.12

Finding the Fourth Proportional to 342,928.40, 473,234.99 and 189,966.12

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Solution

The fourth proportional to 342,928.40, 473,234.99 and 189,966.12 is: 262,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,928.40 : 473,234.99 = 189,966.12 : x
  2. Step 2: Convert to fraction form
    342,928.40/473,234.99 = 189,966.12/x
  3. Step 3: Cross multiply
    342,928.40x = 473,234.99 × 189,966.12
  4. Step 4: Simplify right side
    342,928.40x = 89,898,612,532.36
  5. Step 5: Solve for x
    x = 89,898,612,532.36/342,928.40
  6. Step 6: Final answer
    x = 262,149.81

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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.