Home / 459,971.12-689,191.16-160,286.52

Finding the Fourth Proportional to 459,971.12, 689,191.16 and 160,286.52

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Solution

The fourth proportional to 459,971.12, 689,191.16 and 160,286.52 is: 240,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,971.12 : 689,191.16 = 160,286.52 : x
  2. Step 2: Convert to fraction form
    459,971.12/689,191.16 = 160,286.52/x
  3. Step 3: Cross multiply
    459,971.12x = 689,191.16 × 160,286.52
  4. Step 4: Simplify right side
    459,971.12x = 110,468,052,651.16
  5. Step 5: Solve for x
    x = 110,468,052,651.16/459,971.12
  6. Step 6: Final answer
    x = 240,163.02

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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.