Home / 319,876.72-441,427.08-176,637.94

Finding the Fourth Proportional to 319,876.72, 441,427.08 and 176,637.94

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Solution

The fourth proportional to 319,876.72, 441,427.08 and 176,637.94 is: 243,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,876.72 : 441,427.08 = 176,637.94 : x
  2. Step 2: Convert to fraction form
    319,876.72/441,427.08 = 176,637.94/x
  3. Step 3: Cross multiply
    319,876.72x = 441,427.08 × 176,637.94
  4. Step 4: Simplify right side
    319,876.72x = 77,972,770,071.42
  5. Step 5: Solve for x
    x = 77,972,770,071.42/319,876.72
  6. Step 6: Final answer
    x = 243,758.81

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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.