Home / 211,259.76-316,676.28-132,429.24

Finding the Fourth Proportional to 211,259.76, 316,676.28 and 132,429.24

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Solution

The fourth proportional to 211,259.76, 316,676.28 and 132,429.24 is: 198,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,259.76 : 316,676.28 = 132,429.24 : x
  2. Step 2: Convert to fraction form
    211,259.76/316,676.28 = 132,429.24/x
  3. Step 3: Cross multiply
    211,259.76x = 316,676.28 × 132,429.24
  4. Step 4: Simplify right side
    211,259.76x = 41,937,199,086.43
  5. Step 5: Solve for x
    x = 41,937,199,086.43/211,259.76
  6. Step 6: Final answer
    x = 198,510.11

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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.