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Finding the Fourth Proportional to 273,246.08, 377,078.90 and 152,387.53

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Solution

The fourth proportional to 273,246.08, 377,078.90 and 152,387.53 is: 210,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,246.08 : 377,078.90 = 152,387.53 : x
  2. Step 2: Convert to fraction form
    273,246.08/377,078.90 = 152,387.53/x
  3. Step 3: Cross multiply
    273,246.08x = 377,078.90 × 152,387.53
  4. Step 4: Simplify right side
    273,246.08x = 57,462,120,481.48
  5. Step 5: Solve for x
    x = 57,462,120,481.48/273,246.08
  6. Step 6: Final answer
    x = 210,294.40

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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.