Home / 306,890.16-423,491.76-169,042.29

Finding the Fourth Proportional to 306,890.16, 423,491.76 and 169,042.29

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Solution

The fourth proportional to 306,890.16, 423,491.76 and 169,042.29 is: 233,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,890.16 : 423,491.76 = 169,042.29 : x
  2. Step 2: Convert to fraction form
    306,890.16/423,491.76 = 169,042.29/x
  3. Step 3: Cross multiply
    306,890.16x = 423,491.76 × 169,042.29
  4. Step 4: Simplify right side
    306,890.16x = 71,588,016,906.53
  5. Step 5: Solve for x
    x = 71,588,016,906.53/306,890.16
  6. Step 6: Final answer
    x = 233,269.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.