Home / 326,076.10-489,114.15-89,442.70

Finding the Fourth Proportional to 326,076.10, 489,114.15 and 89,442.70

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Solution

The fourth proportional to 326,076.10, 489,114.15 and 89,442.70 is: 134,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,076.10 : 489,114.15 = 89,442.70 : x
  2. Step 2: Convert to fraction form
    326,076.10/489,114.15 = 89,442.70/x
  3. Step 3: Cross multiply
    326,076.10x = 489,114.15 × 89,442.70
  4. Step 4: Simplify right side
    326,076.10x = 43,747,690,184.21
  5. Step 5: Solve for x
    x = 43,747,690,184.21/326,076.10
  6. Step 6: Final answer
    x = 134,164.05

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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.