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Finding the Fourth Proportional to 219,548.88, 302,973.48 and 124,053.52

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Solution

The fourth proportional to 219,548.88, 302,973.48 and 124,053.52 is: 171,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,548.88 : 302,973.48 = 124,053.52 : x
  2. Step 2: Convert to fraction form
    219,548.88/302,973.48 = 124,053.52/x
  3. Step 3: Cross multiply
    219,548.88x = 302,973.48 × 124,053.52
  4. Step 4: Simplify right side
    219,548.88x = 37,584,926,660.65
  5. Step 5: Solve for x
    x = 37,584,926,660.65/219,548.88
  6. Step 6: Final answer
    x = 171,191.61

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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.