Home / 252,974.88-349,142.40-152,370.72

Finding the Fourth Proportional to 252,974.88, 349,142.40 and 152,370.72

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Solution

The fourth proportional to 252,974.88, 349,142.40 and 152,370.72 is: 210,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,974.88 : 349,142.40 = 152,370.72 : x
  2. Step 2: Convert to fraction form
    252,974.88/349,142.40 = 152,370.72/x
  3. Step 3: Cross multiply
    252,974.88x = 349,142.40 × 152,370.72
  4. Step 4: Simplify right side
    252,974.88x = 53,199,078,870.53
  5. Step 5: Solve for x
    x = 53,199,078,870.53/252,974.88
  6. Step 6: Final answer
    x = 210,293.92

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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.