Home / 459,121.56-688,287.91-159,563.22

Finding the Fourth Proportional to 459,121.56, 688,287.91 and 159,563.22

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Solution

The fourth proportional to 459,121.56, 688,287.91 and 159,563.22 is: 239,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,121.56 : 688,287.91 = 159,563.22 : x
  2. Step 2: Convert to fraction form
    459,121.56/688,287.91 = 159,563.22/x
  3. Step 3: Cross multiply
    459,121.56x = 688,287.91 × 159,563.22
  4. Step 4: Simplify right side
    459,121.56x = 109,825,435,206.67
  5. Step 5: Solve for x
    x = 109,825,435,206.67/459,121.56
  6. Step 6: Final answer
    x = 239,207.75

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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.