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Finding the Fourth Proportional to 284,374.89, 426,650.40 and 170,649.72

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Solution

The fourth proportional to 284,374.89, 426,650.40 and 170,649.72 is: 256,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,374.89 : 426,650.40 = 170,649.72 : x
  2. Step 2: Convert to fraction form
    284,374.89/426,650.40 = 170,649.72/x
  3. Step 3: Cross multiply
    284,374.89x = 426,650.40 × 170,649.72
  4. Step 4: Simplify right side
    284,374.89x = 72,807,771,297.89
  5. Step 5: Solve for x
    x = 72,807,771,297.89/284,374.89
  6. Step 6: Final answer
    x = 256,027.43

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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.