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Finding the Fourth Proportional to 284,420.54, 426,615.42 and 144,175.52

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Solution

The fourth proportional to 284,420.54, 426,615.42 and 144,175.52 is: 216,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,420.54 : 426,615.42 = 144,175.52 : x
  2. Step 2: Convert to fraction form
    284,420.54/426,615.42 = 144,175.52/x
  3. Step 3: Cross multiply
    284,420.54x = 426,615.42 × 144,175.52
  4. Step 4: Simplify right side
    284,420.54x = 61,507,500,018.52
  5. Step 5: Solve for x
    x = 61,507,500,018.52/284,420.54
  6. Step 6: Final answer
    x = 216,255.48

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1.5x scale

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.