Home / 326,222.30-489,167.40-126,599.96

Finding the Fourth Proportional to 326,222.30, 489,167.40 and 126,599.96

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Solution

The fourth proportional to 326,222.30, 489,167.40 and 126,599.96 is: 189,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,222.30 : 489,167.40 = 126,599.96 : x
  2. Step 2: Convert to fraction form
    326,222.30/489,167.40 = 126,599.96/x
  3. Step 3: Cross multiply
    326,222.30x = 489,167.40 × 126,599.96
  4. Step 4: Simplify right side
    326,222.30x = 61,928,573,273.30
  5. Step 5: Solve for x
    x = 61,928,573,273.30/326,222.30
  6. Step 6: Final answer
    x = 189,835.50

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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.