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Finding the Fourth Proportional to 273,206.31, 377,025.90 and 152,347.22

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Solution

The fourth proportional to 273,206.31, 377,025.90 and 152,347.22 is: 210,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,206.31 : 377,025.90 = 152,347.22 : x
  2. Step 2: Convert to fraction form
    273,206.31/377,025.90 = 152,347.22/x
  3. Step 3: Cross multiply
    273,206.31x = 377,025.90 × 152,347.22
  4. Step 4: Simplify right side
    273,206.31x = 57,438,847,733.00
  5. Step 5: Solve for x
    x = 57,438,847,733.00/273,206.31
  6. Step 6: Final answer
    x = 210,239.83

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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.