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Finding the Fourth Proportional to 326,868.93, 450,897.12 and 303,750

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Solution

The fourth proportional to 326,868.93, 450,897.12 and 303,750 is: 419,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,868.93 : 450,897.12 = 303,750 : x
  2. Step 2: Convert to fraction form
    326,868.93/450,897.12 = 303,750/x
  3. Step 3: Cross multiply
    326,868.93x = 450,897.12 × 303,750
  4. Step 4: Simplify right side
    326,868.93x = 136,960,000,200
  5. Step 5: Solve for x
    x = 136,960,000,200/326,868.93
  6. Step 6: Final answer
    x = 419,005.87

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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.