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Finding the Fourth Proportional to 201,679.70, 301,863.45 and 157,064.90

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Solution

The fourth proportional to 201,679.70, 301,863.45 and 157,064.90 is: 235,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,679.70 : 301,863.45 = 157,064.90 : x
  2. Step 2: Convert to fraction form
    201,679.70/301,863.45 = 157,064.90/x
  3. Step 3: Cross multiply
    201,679.70x = 301,863.45 × 157,064.90
  4. Step 4: Simplify right side
    201,679.70x = 47,412,152,587.91
  5. Step 5: Solve for x
    x = 47,412,152,587.91/201,679.70
  6. Step 6: Final answer
    x = 235,086.39

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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.