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Finding the Fourth Proportional to 229,601.25, 344,421.72 and 63,389.25

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Solution

The fourth proportional to 229,601.25, 344,421.72 and 63,389.25 is: 95,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,601.25 : 344,421.72 = 63,389.25 : x
  2. Step 2: Convert to fraction form
    229,601.25/344,421.72 = 63,389.25/x
  3. Step 3: Cross multiply
    229,601.25x = 344,421.72 × 63,389.25
  4. Step 4: Simplify right side
    229,601.25x = 21,832,634,514.51
  5. Step 5: Solve for x
    x = 21,832,634,514.51/229,601.25
  6. Step 6: Final answer
    x = 95,089.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.