Home / 286,271.36-395,046.96-158,943.68

Finding the Fourth Proportional to 286,271.36, 395,046.96 and 158,943.68

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Solution

The fourth proportional to 286,271.36, 395,046.96 and 158,943.68 is: 219,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,271.36 : 395,046.96 = 158,943.68 : x
  2. Step 2: Convert to fraction form
    286,271.36/395,046.96 = 158,943.68/x
  3. Step 3: Cross multiply
    286,271.36x = 395,046.96 × 158,943.68
  4. Step 4: Simplify right side
    286,271.36x = 62,790,217,595.21
  5. Step 5: Solve for x
    x = 62,790,217,595.21/286,271.36
  6. Step 6: Final answer
    x = 219,338.10

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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.