Home / 228,372.24-342,950.40-140,143.80

Finding the Fourth Proportional to 228,372.24, 342,950.40 and 140,143.80

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Solution

The fourth proportional to 228,372.24, 342,950.40 and 140,143.80 is: 210,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,372.24 : 342,950.40 = 140,143.80 : x
  2. Step 2: Convert to fraction form
    228,372.24/342,950.40 = 140,143.80/x
  3. Step 3: Cross multiply
    228,372.24x = 342,950.40 × 140,143.80
  4. Step 4: Simplify right side
    228,372.24x = 48,062,372,267.52
  5. Step 5: Solve for x
    x = 48,062,372,267.52/228,372.24
  6. Step 6: Final answer
    x = 210,456.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.