Home / 281,070.72-387,768.60-179,077.95

Finding the Fourth Proportional to 281,070.72, 387,768.60 and 179,077.95

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Solution

The fourth proportional to 281,070.72, 387,768.60 and 179,077.95 is: 247,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,070.72 : 387,768.60 = 179,077.95 : x
  2. Step 2: Convert to fraction form
    281,070.72/387,768.60 = 179,077.95/x
  3. Step 3: Cross multiply
    281,070.72x = 387,768.60 × 179,077.95
  4. Step 4: Simplify right side
    281,070.72x = 69,440,805,962.37
  5. Step 5: Solve for x
    x = 69,440,805,962.37/281,070.72
  6. Step 6: Final answer
    x = 247,058.13

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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.