Home / 251,853.84-375,938.15-221,961.24

Finding the Fourth Proportional to 251,853.84, 375,938.15 and 221,961.24

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Solution

The fourth proportional to 251,853.84, 375,938.15 and 221,961.24 is: 331,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,853.84 : 375,938.15 = 221,961.24 : x
  2. Step 2: Convert to fraction form
    251,853.84/375,938.15 = 221,961.24/x
  3. Step 3: Cross multiply
    251,853.84x = 375,938.15 × 221,961.24
  4. Step 4: Simplify right side
    251,853.84x = 83,443,697,937.31
  5. Step 5: Solve for x
    x = 83,443,697,937.31/251,853.84
  6. Step 6: Final answer
    x = 331,317.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.