Home / 326,605.12-489,909.34-101,946.73

Finding the Fourth Proportional to 326,605.12, 489,909.34 and 101,946.73

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Solution

The fourth proportional to 326,605.12, 489,909.34 and 101,946.73 is: 152,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,605.12 : 489,909.34 = 101,946.73 : x
  2. Step 2: Convert to fraction form
    326,605.12/489,909.34 = 101,946.73/x
  3. Step 3: Cross multiply
    326,605.12x = 489,909.34 × 101,946.73
  4. Step 4: Simplify right side
    326,605.12x = 49,944,653,366.10
  5. Step 5: Solve for x
    x = 49,944,653,366.10/326,605.12
  6. Step 6: Final answer
    x = 152,920.61

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1.5x scale

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.