Home / 326,567.21-489,869.04-101,958.66

Finding the Fourth Proportional to 326,567.21, 489,869.04 and 101,958.66

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Solution

The fourth proportional to 326,567.21, 489,869.04 and 101,958.66 is: 152,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,567.21 : 489,869.04 = 101,958.66 : x
  2. Step 2: Convert to fraction form
    326,567.21/489,869.04 = 101,958.66/x
  3. Step 3: Cross multiply
    326,567.21x = 489,869.04 × 101,958.66
  4. Step 4: Simplify right side
    326,567.21x = 49,946,390,893.89
  5. Step 5: Solve for x
    x = 49,946,390,893.89/326,567.21
  6. Step 6: Final answer
    x = 152,943.68

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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.