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Finding the Fourth Proportional to 319,607.32, 479,625.00 and 132,619.00

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Solution

The fourth proportional to 319,607.32, 479,625.00 and 132,619.00 is: 199,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,607.32 : 479,625.00 = 132,619.00 : x
  2. Step 2: Convert to fraction form
    319,607.32/479,625.00 = 132,619.00/x
  3. Step 3: Cross multiply
    319,607.32x = 479,625.00 × 132,619.00
  4. Step 4: Simplify right side
    319,607.32x = 63,607,384,813.78
  5. Step 5: Solve for x
    x = 63,607,384,813.78/319,607.32
  6. Step 6: Final answer
    x = 199,017.30

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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.