Home / 331,819.02-497,673.85-142,310.00

Finding the Fourth Proportional to 331,819.02, 497,673.85 and 142,310.00

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Solution

The fourth proportional to 331,819.02, 497,673.85 and 142,310.00 is: 213,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,819.02 : 497,673.85 = 142,310.00 : x
  2. Step 2: Convert to fraction form
    331,819.02/497,673.85 = 142,310.00/x
  3. Step 3: Cross multiply
    331,819.02x = 497,673.85 × 142,310.00
  4. Step 4: Simplify right side
    331,819.02x = 70,823,962,393.58
  5. Step 5: Solve for x
    x = 70,823,962,393.58/331,819.02
  6. Step 6: Final answer
    x = 213,441.54

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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.