Home / 489,146.60-733,719.90-173,635.40

Finding the Fourth Proportional to 489,146.60, 733,719.90 and 173,635.40

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Solution

The fourth proportional to 489,146.60, 733,719.90 and 173,635.40 is: 260,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,146.60 : 733,719.90 = 173,635.40 : x
  2. Step 2: Convert to fraction form
    489,146.60/733,719.90 = 173,635.40/x
  3. Step 3: Cross multiply
    489,146.60x = 733,719.90 × 173,635.40
  4. Step 4: Simplify right side
    489,146.60x = 127,399,748,324.46
  5. Step 5: Solve for x
    x = 127,399,748,324.46/489,146.60
  6. Step 6: Final answer
    x = 260,453.10

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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.