Home / 286,370.40-395,180.22-159,054.21

Finding the Fourth Proportional to 286,370.40, 395,180.22 and 159,054.21

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Solution

The fourth proportional to 286,370.40, 395,180.22 and 159,054.21 is: 219,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,370.40 : 395,180.22 = 159,054.21 : x
  2. Step 2: Convert to fraction form
    286,370.40/395,180.22 = 159,054.21/x
  3. Step 3: Cross multiply
    286,370.40x = 395,180.22 × 159,054.21
  4. Step 4: Simplify right side
    286,370.40x = 62,855,077,699.73
  5. Step 5: Solve for x
    x = 62,855,077,699.73/286,370.40
  6. Step 6: Final answer
    x = 219,488.74

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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.