Home / 319,587.12-479,225.16-169,899.12

Finding the Fourth Proportional to 319,587.12, 479,225.16 and 169,899.12

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Solution

The fourth proportional to 319,587.12, 479,225.16 and 169,899.12 is: 254,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,587.12 : 479,225.16 = 169,899.12 : x
  2. Step 2: Convert to fraction form
    319,587.12/479,225.16 = 169,899.12/x
  3. Step 3: Cross multiply
    319,587.12x = 479,225.16 × 169,899.12
  4. Step 4: Simplify right side
    319,587.12x = 81,419,932,965.86
  5. Step 5: Solve for x
    x = 81,419,932,965.86/319,587.12
  6. Step 6: Final answer
    x = 254,766.00

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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.