Home / 230,939.40-346,409.10-152,142.60

Finding the Fourth Proportional to 230,939.40, 346,409.10 and 152,142.60

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Solution

The fourth proportional to 230,939.40, 346,409.10 and 152,142.60 is: 228,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,939.40 : 346,409.10 = 152,142.60 : x
  2. Step 2: Convert to fraction form
    230,939.40/346,409.10 = 152,142.60/x
  3. Step 3: Cross multiply
    230,939.40x = 346,409.10 × 152,142.60
  4. Step 4: Simplify right side
    230,939.40x = 52,703,581,137.66
  5. Step 5: Solve for x
    x = 52,703,581,137.66/230,939.40
  6. Step 6: Final answer
    x = 228,213.90

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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.