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Finding the Fourth Proportional to 273,359.61, 377,236.43 and 152,500.90

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Solution

The fourth proportional to 273,359.61, 377,236.43 and 152,500.90 is: 210,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,359.61 : 377,236.43 = 152,500.90 : x
  2. Step 2: Convert to fraction form
    273,359.61/377,236.43 = 152,500.90/x
  3. Step 3: Cross multiply
    273,359.61x = 377,236.43 × 152,500.90
  4. Step 4: Simplify right side
    273,359.61x = 57,528,894,325.28
  5. Step 5: Solve for x
    x = 57,528,894,325.28/273,359.61
  6. Step 6: Final answer
    x = 210,451.33

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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.