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Finding the Fourth Proportional to 250,119, 375,065.10 and 107,897.18

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Solution

The fourth proportional to 250,119, 375,065.10 and 107,897.18 is: 161,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,119 : 375,065.10 = 107,897.18 : x
  2. Step 2: Convert to fraction form
    250,119/375,065.10 = 107,897.18/x
  3. Step 3: Cross multiply
    250,119x = 375,065.10 × 107,897.18
  4. Step 4: Simplify right side
    250,119x = 40,468,464,731.09
  5. Step 5: Solve for x
    x = 40,468,464,731.09/250,119
  6. Step 6: Final answer
    x = 161,796.84

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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.