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Finding the Fourth Proportional to 250,339, 375,592.30 and 81,867.08

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Solution

The fourth proportional to 250,339, 375,592.30 and 81,867.08 is: 122,828.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,339 : 375,592.30 = 81,867.08 : x
  2. Step 2: Convert to fraction form
    250,339/375,592.30 = 81,867.08/x
  3. Step 3: Cross multiply
    250,339x = 375,592.30 × 81,867.08
  4. Step 4: Simplify right side
    250,339x = 30,748,644,871.48
  5. Step 5: Solve for x
    x = 30,748,644,871.48/250,339
  6. Step 6: Final answer
    x = 122,828.02

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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.