Home / 266,835.18-399,611.42-152,636.76

Finding the Fourth Proportional to 266,835.18, 399,611.42 and 152,636.76

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Solution

The fourth proportional to 266,835.18, 399,611.42 and 152,636.76 is: 228,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,835.18 : 399,611.42 = 152,636.76 : x
  2. Step 2: Convert to fraction form
    266,835.18/399,611.42 = 152,636.76/x
  3. Step 3: Cross multiply
    266,835.18x = 399,611.42 × 152,636.76
  4. Step 4: Simplify right side
    266,835.18x = 60,995,392,217.00
  5. Step 5: Solve for x
    x = 60,995,392,217.00/266,835.18
  6. Step 6: Final answer
    x = 228,588.27

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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.