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Finding the Fourth Proportional to 201,162.76, 301,312.18 and 189,385.76

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Solution

The fourth proportional to 201,162.76, 301,312.18 and 189,385.76 is: 283,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,162.76 : 301,312.18 = 189,385.76 : x
  2. Step 2: Convert to fraction form
    201,162.76/301,312.18 = 189,385.76/x
  3. Step 3: Cross multiply
    201,162.76x = 301,312.18 × 189,385.76
  4. Step 4: Simplify right side
    201,162.76x = 57,064,236,206.56
  5. Step 5: Solve for x
    x = 57,064,236,206.56/201,162.76
  6. Step 6: Final answer
    x = 283,671.97

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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.