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Finding the Fourth Proportional to 555,160.32, 766,131.48 and 325,881.72

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Solution

The fourth proportional to 555,160.32, 766,131.48 and 325,881.72 is: 449,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,160.32 : 766,131.48 = 325,881.72 : x
  2. Step 2: Convert to fraction form
    555,160.32/766,131.48 = 325,881.72/x
  3. Step 3: Cross multiply
    555,160.32x = 766,131.48 × 325,881.72
  4. Step 4: Simplify right side
    555,160.32x = 249,668,244,448.55
  5. Step 5: Solve for x
    x = 249,668,244,448.55/555,160.32
  6. Step 6: Final answer
    x = 449,722.78

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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.