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Finding the Fourth Proportional to 273,065.79, 376,843.74 and 152,207.94

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Solution

The fourth proportional to 273,065.79, 376,843.74 and 152,207.94 is: 210,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,065.79 : 376,843.74 = 152,207.94 : x
  2. Step 2: Convert to fraction form
    273,065.79/376,843.74 = 152,207.94/x
  3. Step 3: Cross multiply
    273,065.79x = 376,843.74 × 152,207.94
  4. Step 4: Simplify right side
    273,065.79x = 57,358,609,367.30
  5. Step 5: Solve for x
    x = 57,358,609,367.30/273,065.79
  6. Step 6: Final answer
    x = 210,054.18

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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.