Home / 331,070.04-456,887.02-187,836.12

Finding the Fourth Proportional to 331,070.04, 456,887.02 and 187,836.12

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Solution

The fourth proportional to 331,070.04, 456,887.02 and 187,836.12 is: 259,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,070.04 : 456,887.02 = 187,836.12 : x
  2. Step 2: Convert to fraction form
    331,070.04/456,887.02 = 187,836.12/x
  3. Step 3: Cross multiply
    331,070.04x = 456,887.02 × 187,836.12
  4. Step 4: Simplify right side
    331,070.04x = 85,819,885,115.16
  5. Step 5: Solve for x
    x = 85,819,885,115.16/331,070.04
  6. Step 6: Final answer
    x = 259,219.73

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1.5x scale

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.