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Finding the Fourth Proportional to 283,285.40, 424,928.10 and 171,092.30

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Solution

The fourth proportional to 283,285.40, 424,928.10 and 171,092.30 is: 256,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,285.40 : 424,928.10 = 171,092.30 : x
  2. Step 2: Convert to fraction form
    283,285.40/424,928.10 = 171,092.30/x
  3. Step 3: Cross multiply
    283,285.40x = 424,928.10 × 171,092.30
  4. Step 4: Simplify right side
    283,285.40x = 72,701,925,963.63
  5. Step 5: Solve for x
    x = 72,701,925,963.63/283,285.40
  6. Step 6: Final answer
    x = 256,638.45

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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.