Home / 329,038.20-492,866.10-181,121.40

Finding the Fourth Proportional to 329,038.20, 492,866.10 and 181,121.40

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Solution

The fourth proportional to 329,038.20, 492,866.10 and 181,121.40 is: 271,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,038.20 : 492,866.10 = 181,121.40 : x
  2. Step 2: Convert to fraction form
    329,038.20/492,866.10 = 181,121.40/x
  3. Step 3: Cross multiply
    329,038.20x = 492,866.10 × 181,121.40
  4. Step 4: Simplify right side
    329,038.20x = 89,268,598,044.54
  5. Step 5: Solve for x
    x = 89,268,598,044.54/329,038.20
  6. Step 6: Final answer
    x = 271,301.62

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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.