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Finding the Fourth Proportional to 622,272, 933,408 and 179,040

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Solution

The fourth proportional to 622,272, 933,408 and 179,040 is: 268,560

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,272 : 933,408 = 179,040 : x
  2. Step 2: Convert to fraction form
    622,272/933,408 = 179,040/x
  3. Step 3: Cross multiply
    622,272x = 933,408 × 179,040
  4. Step 4: Simplify right side
    622,272x = 167,117,368,320
  5. Step 5: Solve for x
    x = 167,117,368,320/622,272
  6. Step 6: Final answer
    x = 268,560

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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.