Home / 329,030.20-492,854.10-181,113.40

Finding the Fourth Proportional to 329,030.20, 492,854.10 and 181,113.40

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Solution

The fourth proportional to 329,030.20, 492,854.10 and 181,113.40 is: 271,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,030.20 : 492,854.10 = 181,113.40 : x
  2. Step 2: Convert to fraction form
    329,030.20/492,854.10 = 181,113.40/x
  3. Step 3: Cross multiply
    329,030.20x = 492,854.10 × 181,113.40
  4. Step 4: Simplify right side
    329,030.20x = 89,262,481,754.94
  5. Step 5: Solve for x
    x = 89,262,481,754.94/329,030.20
  6. Step 6: Final answer
    x = 271,289.63

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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.