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Finding the Fourth Proportional to 201,500.66, 278,070.90 and 110,854.67

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Solution

The fourth proportional to 201,500.66, 278,070.90 and 110,854.67 is: 152,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,500.66 : 278,070.90 = 110,854.67 : x
  2. Step 2: Convert to fraction form
    201,500.66/278,070.90 = 110,854.67/x
  3. Step 3: Cross multiply
    201,500.66x = 278,070.90 × 110,854.67
  4. Step 4: Simplify right side
    201,500.66x = 30,825,457,856.10
  5. Step 5: Solve for x
    x = 30,825,457,856.10/201,500.66
  6. Step 6: Final answer
    x = 152,979.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.