Home / 326,083.41-489,146.04-112,871.88

Finding the Fourth Proportional to 326,083.41, 489,146.04 and 112,871.88

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Solution

The fourth proportional to 326,083.41, 489,146.04 and 112,871.88 is: 169,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,083.41 : 489,146.04 = 112,871.88 : x
  2. Step 2: Convert to fraction form
    326,083.41/489,146.04 = 112,871.88/x
  3. Step 3: Cross multiply
    326,083.41x = 489,146.04 × 112,871.88
  4. Step 4: Simplify right side
    326,083.41x = 55,210,833,129.36
  5. Step 5: Solve for x
    x = 55,210,833,129.36/326,083.41
  6. Step 6: Final answer
    x = 169,315.06

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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.