Home / 316,811.25-437,199.53-173,576.72

Finding the Fourth Proportional to 316,811.25, 437,199.53 and 173,576.72

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Solution

The fourth proportional to 316,811.25, 437,199.53 and 173,576.72 is: 239,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,811.25 : 437,199.53 = 173,576.72 : x
  2. Step 2: Convert to fraction form
    316,811.25/437,199.53 = 173,576.72/x
  3. Step 3: Cross multiply
    316,811.25x = 437,199.53 × 173,576.72
  4. Step 4: Simplify right side
    316,811.25x = 75,887,660,628.06
  5. Step 5: Solve for x
    x = 75,887,660,628.06/316,811.25
  6. Step 6: Final answer
    x = 239,535.88

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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.