Home / 286,342.11-395,164.04-159,018.75

Finding the Fourth Proportional to 286,342.11, 395,164.04 and 159,018.75

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Solution

The fourth proportional to 286,342.11, 395,164.04 and 159,018.75 is: 219,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,342.11 : 395,164.04 = 159,018.75 : x
  2. Step 2: Convert to fraction form
    286,342.11/395,164.04 = 159,018.75/x
  3. Step 3: Cross multiply
    286,342.11x = 395,164.04 × 159,018.75
  4. Step 4: Simplify right side
    286,342.11x = 62,838,490,890.66
  5. Step 5: Solve for x
    x = 62,838,490,890.66/286,342.11
  6. Step 6: Final answer
    x = 219,452.50

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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.