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Finding the Fourth Proportional to 284,420.48, 426,632.40 and 94,880.39

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Solution

The fourth proportional to 284,420.48, 426,632.40 and 94,880.39 is: 142,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,420.48 : 426,632.40 = 94,880.39 : x
  2. Step 2: Convert to fraction form
    284,420.48/426,632.40 = 94,880.39/x
  3. Step 3: Cross multiply
    284,420.48x = 426,632.40 × 94,880.39
  4. Step 4: Simplify right side
    284,420.48x = 40,479,046,365.47
  5. Step 5: Solve for x
    x = 40,479,046,365.47/284,420.48
  6. Step 6: Final answer
    x = 142,321.14

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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.