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Finding the Fourth Proportional to 273,320.68, 377,185.38 and 152,473

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Solution

The fourth proportional to 273,320.68, 377,185.38 and 152,473 is: 210,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,320.68 : 377,185.38 = 152,473 : x
  2. Step 2: Convert to fraction form
    273,320.68/377,185.38 = 152,473/x
  3. Step 3: Cross multiply
    273,320.68x = 377,185.38 × 152,473
  4. Step 4: Simplify right side
    273,320.68x = 57,510,586,444.74
  5. Step 5: Solve for x
    x = 57,510,586,444.74/273,320.68
  6. Step 6: Final answer
    x = 210,414.33

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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.