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Finding the Fourth Proportional to 319,955.40, 441,535.80 and 176,725.32

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Solution

The fourth proportional to 319,955.40, 441,535.80 and 176,725.32 is: 243,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,955.40 : 441,535.80 = 176,725.32 : x
  2. Step 2: Convert to fraction form
    319,955.40/441,535.80 = 176,725.32/x
  3. Step 3: Cross multiply
    319,955.40x = 441,535.80 × 176,725.32
  4. Step 4: Simplify right side
    319,955.40x = 78,030,555,546.46
  5. Step 5: Solve for x
    x = 78,030,555,546.46/319,955.40
  6. Step 6: Final answer
    x = 243,879.48

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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.