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Finding the Fourth Proportional to 284,721, 427,339.08 and 151,713.60

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Solution

The fourth proportional to 284,721, 427,339.08 and 151,713.60 is: 227,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,721 : 427,339.08 = 151,713.60 : x
  2. Step 2: Convert to fraction form
    284,721/427,339.08 = 151,713.60/x
  3. Step 3: Cross multiply
    284,721x = 427,339.08 × 151,713.60
  4. Step 4: Simplify right side
    284,721x = 64,833,150,247.49
  5. Step 5: Solve for x
    x = 64,833,150,247.49/284,721
  6. Step 6: Final answer
    x = 227,707.65

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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.