Home / 319,965.22-441,542.64-176,722.12

Finding the Fourth Proportional to 319,965.22, 441,542.64 and 176,722.12

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Solution

The fourth proportional to 319,965.22, 441,542.64 and 176,722.12 is: 243,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,965.22 : 441,542.64 = 176,722.12 : x
  2. Step 2: Convert to fraction form
    319,965.22/441,542.64 = 176,722.12/x
  3. Step 3: Cross multiply
    319,965.22x = 441,542.64 × 176,722.12
  4. Step 4: Simplify right side
    319,965.22x = 78,030,351,411.20
  5. Step 5: Solve for x
    x = 78,030,351,411.20/319,965.22
  6. Step 6: Final answer
    x = 243,871.35

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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.