Home / 448,955.82-619,665.08-258,079.95

Finding the Fourth Proportional to 448,955.82, 619,665.08 and 258,079.95

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Solution

The fourth proportional to 448,955.82, 619,665.08 and 258,079.95 is: 356,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,955.82 : 619,665.08 = 258,079.95 : x
  2. Step 2: Convert to fraction form
    448,955.82/619,665.08 = 258,079.95/x
  3. Step 3: Cross multiply
    448,955.82x = 619,665.08 × 258,079.95
  4. Step 4: Simplify right side
    448,955.82x = 159,923,131,572.75
  5. Step 5: Solve for x
    x = 159,923,131,572.75/448,955.82
  6. Step 6: Final answer
    x = 356,211.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.