Home / 279,328.12-418,738.02-101,794.66

Finding the Fourth Proportional to 279,328.12, 418,738.02 and 101,794.66

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Solution

The fourth proportional to 279,328.12, 418,738.02 and 101,794.66 is: 152,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,328.12 : 418,738.02 = 101,794.66 : x
  2. Step 2: Convert to fraction form
    279,328.12/418,738.02 = 101,794.66/x
  3. Step 3: Cross multiply
    279,328.12x = 418,738.02 × 101,794.66
  4. Step 4: Simplify right side
    279,328.12x = 42,625,294,374.97
  5. Step 5: Solve for x
    x = 42,625,294,374.97/279,328.12
  6. Step 6: Final answer
    x = 152,599.37

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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.