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Finding the Fourth Proportional to 551,937.92, 828,012.48 and 177,860.48

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Solution

The fourth proportional to 551,937.92, 828,012.48 and 177,860.48 is: 266,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,937.92 : 828,012.48 = 177,860.48 : x
  2. Step 2: Convert to fraction form
    551,937.92/828,012.48 = 177,860.48/x
  3. Step 3: Cross multiply
    551,937.92x = 828,012.48 × 177,860.48
  4. Step 4: Simplify right side
    551,937.92x = 147,270,697,138.79
  5. Step 5: Solve for x
    x = 147,270,697,138.79/551,937.92
  6. Step 6: Final answer
    x = 266,824.75

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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.