Home / 278,196.39-384,001.56-163,473.03

Finding the Fourth Proportional to 278,196.39, 384,001.56 and 163,473.03

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Solution

The fourth proportional to 278,196.39, 384,001.56 and 163,473.03 is: 225,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,196.39 : 384,001.56 = 163,473.03 : x
  2. Step 2: Convert to fraction form
    278,196.39/384,001.56 = 163,473.03/x
  3. Step 3: Cross multiply
    278,196.39x = 384,001.56 × 163,473.03
  4. Step 4: Simplify right side
    278,196.39x = 62,773,898,537.93
  5. Step 5: Solve for x
    x = 62,773,898,537.93/278,196.39
  6. Step 6: Final answer
    x = 225,645.99

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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.