Home / 980,146.56-1,470,166.76-306,150.42

Finding the Fourth Proportional to 980,146.56, 1,470,166.76 and 306,150.42

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Solution

The fourth proportional to 980,146.56, 1,470,166.76 and 306,150.42 is: 459,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,146.56 : 1,470,166.76 = 306,150.42 : x
  2. Step 2: Convert to fraction form
    980,146.56/1,470,166.76 = 306,150.42/x
  3. Step 3: Cross multiply
    980,146.56x = 1,470,166.76 × 306,150.42
  4. Step 4: Simplify right side
    980,146.56x = 450,092,171,044.04
  5. Step 5: Solve for x
    x = 450,092,171,044.04/980,146.56
  6. Step 6: Final answer
    x = 459,209.05

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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.