Home / 286,206.04-429,338.45-75,843.97

Finding the Fourth Proportional to 286,206.04, 429,338.45 and 75,843.97

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Solution

The fourth proportional to 286,206.04, 429,338.45 and 75,843.97 is: 113,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,206.04 : 429,338.45 = 75,843.97 : x
  2. Step 2: Convert to fraction form
    286,206.04/429,338.45 = 75,843.97/x
  3. Step 3: Cross multiply
    286,206.04x = 429,338.45 × 75,843.97
  4. Step 4: Simplify right side
    286,206.04x = 32,562,732,521.65
  5. Step 5: Solve for x
    x = 32,562,732,521.65/286,206.04
  6. Step 6: Final answer
    x = 113,773.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.