Home / 459,972.12-689,192.66-160,287.52

Finding the Fourth Proportional to 459,972.12, 689,192.66 and 160,287.52

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Solution

The fourth proportional to 459,972.12, 689,192.66 and 160,287.52 is: 240,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,972.12 : 689,192.66 = 160,287.52 : x
  2. Step 2: Convert to fraction form
    459,972.12/689,192.66 = 160,287.52/x
  3. Step 3: Cross multiply
    459,972.12x = 689,192.66 × 160,287.52
  4. Step 4: Simplify right side
    459,972.12x = 110,468,982,273.60
  5. Step 5: Solve for x
    x = 110,468,982,273.60/459,972.12
  6. Step 6: Final answer
    x = 240,164.52

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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.