Home / 252,722.48-379,302.06-103,045.28

Finding the Fourth Proportional to 252,722.48, 379,302.06 and 103,045.28

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Solution

The fourth proportional to 252,722.48, 379,302.06 and 103,045.28 is: 154,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,722.48 : 379,302.06 = 103,045.28 : x
  2. Step 2: Convert to fraction form
    252,722.48/379,302.06 = 103,045.28/x
  3. Step 3: Cross multiply
    252,722.48x = 379,302.06 × 103,045.28
  4. Step 4: Simplify right side
    252,722.48x = 39,085,286,977.28
  5. Step 5: Solve for x
    x = 39,085,286,977.28/252,722.48
  6. Step 6: Final answer
    x = 154,656.95

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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.