Home / 326,614.36-489,730.85-126,701.14

Finding the Fourth Proportional to 326,614.36, 489,730.85 and 126,701.14

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Solution

The fourth proportional to 326,614.36, 489,730.85 and 126,701.14 is: 189,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,614.36 : 489,730.85 = 126,701.14 : x
  2. Step 2: Convert to fraction form
    326,614.36/489,730.85 = 126,701.14/x
  3. Step 3: Cross multiply
    326,614.36x = 489,730.85 × 126,701.14
  4. Step 4: Simplify right side
    326,614.36x = 62,049,456,988.17
  5. Step 5: Solve for x
    x = 62,049,456,988.17/326,614.36
  6. Step 6: Final answer
    x = 189,977.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.