Home / 290,983.15-401,552.87-163,658.74

Finding the Fourth Proportional to 290,983.15, 401,552.87 and 163,658.74

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Solution

The fourth proportional to 290,983.15, 401,552.87 and 163,658.74 is: 225,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,983.15 : 401,552.87 = 163,658.74 : x
  2. Step 2: Convert to fraction form
    290,983.15/401,552.87 = 163,658.74/x
  3. Step 3: Cross multiply
    290,983.15x = 401,552.87 × 163,658.74
  4. Step 4: Simplify right side
    290,983.15x = 65,717,636,747.58
  5. Step 5: Solve for x
    x = 65,717,636,747.58/290,983.15
  6. Step 6: Final answer
    x = 225,846.88

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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.