Home / 266,819.34-399,587.63-152,621.04

Finding the Fourth Proportional to 266,819.34, 399,587.63 and 152,621.04

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Solution

The fourth proportional to 266,819.34, 399,587.63 and 152,621.04 is: 228,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,819.34 : 399,587.63 = 152,621.04 : x
  2. Step 2: Convert to fraction form
    266,819.34/399,587.63 = 152,621.04/x
  3. Step 3: Cross multiply
    266,819.34x = 399,587.63 × 152,621.04
  4. Step 4: Simplify right side
    266,819.34x = 60,985,478,471.99
  5. Step 5: Solve for x
    x = 60,985,478,471.99/266,819.34
  6. Step 6: Final answer
    x = 228,564.68

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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.