Home / 217,625.88-326,401.20-57,702.84

Finding the Fourth Proportional to 217,625.88, 326,401.20 and 57,702.84

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Solution

The fourth proportional to 217,625.88, 326,401.20 and 57,702.84 is: 86,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,625.88 : 326,401.20 = 57,702.84 : x
  2. Step 2: Convert to fraction form
    217,625.88/326,401.20 = 57,702.84/x
  3. Step 3: Cross multiply
    217,625.88x = 326,401.20 × 57,702.84
  4. Step 4: Simplify right side
    217,625.88x = 18,834,276,219.41
  5. Step 5: Solve for x
    x = 18,834,276,219.41/217,625.88
  6. Step 6: Final answer
    x = 86,544.29

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1.5x scale

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.