Home / 418,010.49-576,890.06-236,754.66

Finding the Fourth Proportional to 418,010.49, 576,890.06 and 236,754.66

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Solution

The fourth proportional to 418,010.49, 576,890.06 and 236,754.66 is: 326,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,010.49 : 576,890.06 = 236,754.66 : x
  2. Step 2: Convert to fraction form
    418,010.49/576,890.06 = 236,754.66/x
  3. Step 3: Cross multiply
    418,010.49x = 576,890.06 × 236,754.66
  4. Step 4: Simplify right side
    418,010.49x = 136,581,408,828.91
  5. Step 5: Solve for x
    x = 136,581,408,828.91/418,010.49
  6. Step 6: Final answer
    x = 326,741.58

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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.