Home / 326,224.30-489,170.40-126,601.96

Finding the Fourth Proportional to 326,224.30, 489,170.40 and 126,601.96

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Solution

The fourth proportional to 326,224.30, 489,170.40 and 126,601.96 is: 189,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,224.30 : 489,170.40 = 126,601.96 : x
  2. Step 2: Convert to fraction form
    326,224.30/489,170.40 = 126,601.96/x
  3. Step 3: Cross multiply
    326,224.30x = 489,170.40 × 126,601.96
  4. Step 4: Simplify right side
    326,224.30x = 61,929,931,413.98
  5. Step 5: Solve for x
    x = 61,929,931,413.98/326,224.30
  6. Step 6: Final answer
    x = 189,838.50

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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.