Home / 551,429.20-827,143.80-152,131.60

Finding the Fourth Proportional to 551,429.20, 827,143.80 and 152,131.60

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Solution

The fourth proportional to 551,429.20, 827,143.80 and 152,131.60 is: 228,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,429.20 : 827,143.80 = 152,131.60 : x
  2. Step 2: Convert to fraction form
    551,429.20/827,143.80 = 152,131.60/x
  3. Step 3: Cross multiply
    551,429.20x = 827,143.80 × 152,131.60
  4. Step 4: Simplify right side
    551,429.20x = 125,834,709,724.08
  5. Step 5: Solve for x
    x = 125,834,709,724.08/551,429.20
  6. Step 6: Final answer
    x = 228,197.40

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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.