Home / 227,931.17-341,911.35-87,689.80

Finding the Fourth Proportional to 227,931.17, 341,911.35 and 87,689.80

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Solution

The fourth proportional to 227,931.17, 341,911.35 and 87,689.80 is: 131,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,931.17 : 341,911.35 = 87,689.80 : x
  2. Step 2: Convert to fraction form
    227,931.17/341,911.35 = 87,689.80/x
  3. Step 3: Cross multiply
    227,931.17x = 341,911.35 × 87,689.80
  4. Step 4: Simplify right side
    227,931.17x = 29,982,137,044.45
  5. Step 5: Solve for x
    x = 29,982,137,044.45/227,931.17
  6. Step 6: Final answer
    x = 131,540.31

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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.