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Finding the Fourth Proportional to 201,212.10, 301,818.15 and 101,333.70

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Solution

The fourth proportional to 201,212.10, 301,818.15 and 101,333.70 is: 152,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,212.10 : 301,818.15 = 101,333.70 : x
  2. Step 2: Convert to fraction form
    201,212.10/301,818.15 = 101,333.70/x
  3. Step 3: Cross multiply
    201,212.10x = 301,818.15 × 101,333.70
  4. Step 4: Simplify right side
    201,212.10x = 30,584,349,866.66
  5. Step 5: Solve for x
    x = 30,584,349,866.66/201,212.10
  6. Step 6: Final answer
    x = 152,000.55

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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.