Home / 275,249.24-379,848.38-154,417.40

Finding the Fourth Proportional to 275,249.24, 379,848.38 and 154,417.40

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Solution

The fourth proportional to 275,249.24, 379,848.38 and 154,417.40 is: 213,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,249.24 : 379,848.38 = 154,417.40 : x
  2. Step 2: Convert to fraction form
    275,249.24/379,848.38 = 154,417.40/x
  3. Step 3: Cross multiply
    275,249.24x = 379,848.38 × 154,417.40
  4. Step 4: Simplify right side
    275,249.24x = 58,655,199,233.81
  5. Step 5: Solve for x
    x = 58,655,199,233.81/275,249.24
  6. Step 6: Final answer
    x = 213,098.50

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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.