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Finding the Fourth Proportional to 174,878.78, 262,253.77 and 62,528.54

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Solution

The fourth proportional to 174,878.78, 262,253.77 and 62,528.54 is: 93,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,878.78 : 262,253.77 = 62,528.54 : x
  2. Step 2: Convert to fraction form
    174,878.78/262,253.77 = 62,528.54/x
  3. Step 3: Cross multiply
    174,878.78x = 262,253.77 × 62,528.54
  4. Step 4: Simplify right side
    174,878.78x = 16,398,343,880.01
  5. Step 5: Solve for x
    x = 16,398,343,880.01/174,878.78
  6. Step 6: Final answer
    x = 93,769.78

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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.