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Finding the Fourth Proportional to 269,739, 372,239.82 and 150,507

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Solution

The fourth proportional to 269,739, 372,239.82 and 150,507 is: 207,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,739 : 372,239.82 = 150,507 : x
  2. Step 2: Convert to fraction form
    269,739/372,239.82 = 150,507/x
  3. Step 3: Cross multiply
    269,739x = 372,239.82 × 150,507
  4. Step 4: Simplify right side
    269,739x = 56,024,698,588.74
  5. Step 5: Solve for x
    x = 56,024,698,588.74/269,739
  6. Step 6: Final answer
    x = 207,699.66

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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.