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Finding the Fourth Proportional to 273,577.47, 377,527 and 171,657.87

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Solution

The fourth proportional to 273,577.47, 377,527 and 171,657.87 is: 236,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,577.47 : 377,527 = 171,657.87 : x
  2. Step 2: Convert to fraction form
    273,577.47/377,527 = 171,657.87/x
  3. Step 3: Cross multiply
    273,577.47x = 377,527 × 171,657.87
  4. Step 4: Simplify right side
    273,577.47x = 64,805,480,687.49
  5. Step 5: Solve for x
    x = 64,805,480,687.49/273,577.47
  6. Step 6: Final answer
    x = 236,881.64

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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.