Home / 286,038.14-394,732.62-158,714.66

Finding the Fourth Proportional to 286,038.14, 394,732.62 and 158,714.66

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Solution

The fourth proportional to 286,038.14, 394,732.62 and 158,714.66 is: 219,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,038.14 : 394,732.62 = 158,714.66 : x
  2. Step 2: Convert to fraction form
    286,038.14/394,732.62 = 158,714.66/x
  3. Step 3: Cross multiply
    286,038.14x = 394,732.62 × 158,714.66
  4. Step 4: Simplify right side
    286,038.14x = 62,649,853,574.21
  5. Step 5: Solve for x
    x = 62,649,853,574.21/286,038.14
  6. Step 6: Final answer
    x = 219,026.22

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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.