Home / 286,281.30-395,031.02-158,932.30

Finding the Fourth Proportional to 286,281.30, 395,031.02 and 158,932.30

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Solution

The fourth proportional to 286,281.30, 395,031.02 and 158,932.30 is: 219,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,281.30 : 395,031.02 = 158,932.30 : x
  2. Step 2: Convert to fraction form
    286,281.30/395,031.02 = 158,932.30/x
  3. Step 3: Cross multiply
    286,281.30x = 395,031.02 × 158,932.30
  4. Step 4: Simplify right side
    286,281.30x = 62,783,188,579.95
  5. Step 5: Solve for x
    x = 62,783,188,579.95/286,281.30
  6. Step 6: Final answer
    x = 219,305.94

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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.