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Finding the Fourth Proportional to 273,288.04, 377,138.15 and 152,437.15

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Solution

The fourth proportional to 273,288.04, 377,138.15 and 152,437.15 is: 210,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,288.04 : 377,138.15 = 152,437.15 : x
  2. Step 2: Convert to fraction form
    273,288.04/377,138.15 = 152,437.15/x
  3. Step 3: Cross multiply
    273,288.04x = 377,138.15 × 152,437.15
  4. Step 4: Simplify right side
    273,288.04x = 57,489,865,404.24
  5. Step 5: Solve for x
    x = 57,489,865,404.24/273,288.04
  6. Step 6: Final answer
    x = 210,363.64

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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.