Home / 316,872.28-437,285.82-173,638.36

Finding the Fourth Proportional to 316,872.28, 437,285.82 and 173,638.36

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Solution

The fourth proportional to 316,872.28, 437,285.82 and 173,638.36 is: 239,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,872.28 : 437,285.82 = 173,638.36 : x
  2. Step 2: Convert to fraction form
    316,872.28/437,285.82 = 173,638.36/x
  3. Step 3: Cross multiply
    316,872.28x = 437,285.82 × 173,638.36
  4. Step 4: Simplify right side
    316,872.28x = 75,929,592,636.06
  5. Step 5: Solve for x
    x = 75,929,592,636.06/316,872.28
  6. Step 6: Final answer
    x = 239,622.07

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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.