Home / 374,009.19-516,063.20-212,854.65

Finding the Fourth Proportional to 374,009.19, 516,063.20 and 212,854.65

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Solution

The fourth proportional to 374,009.19, 516,063.20 and 212,854.65 is: 293,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,009.19 : 516,063.20 = 212,854.65 : x
  2. Step 2: Convert to fraction form
    374,009.19/516,063.20 = 212,854.65/x
  3. Step 3: Cross multiply
    374,009.19x = 516,063.20 × 212,854.65
  4. Step 4: Simplify right side
    374,009.19x = 109,846,450,749.61
  5. Step 5: Solve for x
    x = 109,846,450,749.61/374,009.19
  6. Step 6: Final answer
    x = 293,699.87

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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.