Home / 286,159.32-394,899.84-158,834.88

Finding the Fourth Proportional to 286,159.32, 394,899.84 and 158,834.88

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Solution

The fourth proportional to 286,159.32, 394,899.84 and 158,834.88 is: 219,192.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,159.32 : 394,899.84 = 158,834.88 : x
  2. Step 2: Convert to fraction form
    286,159.32/394,899.84 = 158,834.88/x
  3. Step 3: Cross multiply
    286,159.32x = 394,899.84 × 158,834.88
  4. Step 4: Simplify right side
    286,159.32x = 62,723,868,698.42
  5. Step 5: Solve for x
    x = 62,723,868,698.42/286,159.32
  6. Step 6: Final answer
    x = 219,192.12

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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.