Home / 331,316.20-497,363.10-328,983.40

Finding the Fourth Proportional to 331,316.20, 497,363.10 and 328,983.40

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Solution

The fourth proportional to 331,316.20, 497,363.10 and 328,983.40 is: 493,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,316.20 : 497,363.10 = 328,983.40 : x
  2. Step 2: Convert to fraction form
    331,316.20/497,363.10 = 328,983.40/x
  3. Step 3: Cross multiply
    331,316.20x = 497,363.10 × 328,983.40
  4. Step 4: Simplify right side
    331,316.20x = 163,624,203,672.54
  5. Step 5: Solve for x
    x = 163,624,203,672.54/331,316.20
  6. Step 6: Final answer
    x = 493,861.16

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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.