Home / 551,424.20-827,136.30-152,126.60

Finding the Fourth Proportional to 551,424.20, 827,136.30 and 152,126.60

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Solution

The fourth proportional to 551,424.20, 827,136.30 and 152,126.60 is: 228,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,424.20 : 827,136.30 = 152,126.60 : x
  2. Step 2: Convert to fraction form
    551,424.20/827,136.30 = 152,126.60/x
  3. Step 3: Cross multiply
    551,424.20x = 827,136.30 × 152,126.60
  4. Step 4: Simplify right side
    551,424.20x = 125,829,433,055.58
  5. Step 5: Solve for x
    x = 125,829,433,055.58/551,424.20
  6. Step 6: Final answer
    x = 228,189.90

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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.