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Finding the Fourth Proportional to 171,331.30, 256,996.95 and 46,672.30

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Solution

The fourth proportional to 171,331.30, 256,996.95 and 46,672.30 is: 70,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,331.30 : 256,996.95 = 46,672.30 : x
  2. Step 2: Convert to fraction form
    171,331.30/256,996.95 = 46,672.30/x
  3. Step 3: Cross multiply
    171,331.30x = 256,996.95 × 46,672.30
  4. Step 4: Simplify right side
    171,331.30x = 11,994,638,749.49
  5. Step 5: Solve for x
    x = 11,994,638,749.49/171,331.30
  6. Step 6: Final answer
    x = 70,008.45

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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.