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Finding the Fourth Proportional to 245,062.23, 367,266.29 and 130,976.16

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Solution

The fourth proportional to 245,062.23, 367,266.29 and 130,976.16 is: 196,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,062.23 : 367,266.29 = 130,976.16 : x
  2. Step 2: Convert to fraction form
    245,062.23/367,266.29 = 130,976.16/x
  3. Step 3: Cross multiply
    245,062.23x = 367,266.29 × 130,976.16
  4. Step 4: Simplify right side
    245,062.23x = 48,103,126,329.52
  5. Step 5: Solve for x
    x = 48,103,126,329.52/245,062.23
  6. Step 6: Final answer
    x = 196,289.44

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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.