Home / 459,120.56-688,286.42-159,562.22

Finding the Fourth Proportional to 459,120.56, 688,286.42 and 159,562.22

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Solution

The fourth proportional to 459,120.56, 688,286.42 and 159,562.22 is: 239,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,120.56 : 688,286.42 = 159,562.22 : x
  2. Step 2: Convert to fraction form
    459,120.56/688,286.42 = 159,562.22/x
  3. Step 3: Cross multiply
    459,120.56x = 688,286.42 × 159,562.22
  4. Step 4: Simplify right side
    459,120.56x = 109,824,510,093.96
  5. Step 5: Solve for x
    x = 109,824,510,093.96/459,120.56
  6. Step 6: Final answer
    x = 239,206.25

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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.