Home / 286,253.15-395,041.68-158,928.75

Finding the Fourth Proportional to 286,253.15, 395,041.68 and 158,928.75

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Solution

The fourth proportional to 286,253.15, 395,041.68 and 158,928.75 is: 219,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,253.15 : 395,041.68 = 158,928.75 : x
  2. Step 2: Convert to fraction form
    286,253.15/395,041.68 = 158,928.75/x
  3. Step 3: Cross multiply
    286,253.15x = 395,041.68 × 158,928.75
  4. Step 4: Simplify right side
    286,253.15x = 62,783,480,400.30
  5. Step 5: Solve for x
    x = 62,783,480,400.30/286,253.15
  6. Step 6: Final answer
    x = 219,328.53

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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.