Home / 286,228.32-394,995.96-158,904.24

Finding the Fourth Proportional to 286,228.32, 394,995.96 and 158,904.24

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Solution

The fourth proportional to 286,228.32, 394,995.96 and 158,904.24 is: 219,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,228.32 : 394,995.96 = 158,904.24 : x
  2. Step 2: Convert to fraction form
    286,228.32/394,995.96 = 158,904.24/x
  3. Step 3: Cross multiply
    286,228.32x = 394,995.96 × 158,904.24
  4. Step 4: Simplify right side
    286,228.32x = 62,766,532,826.87
  5. Step 5: Solve for x
    x = 62,766,532,826.87/286,228.32
  6. Step 6: Final answer
    x = 219,288.34

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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.