Home / 286,594.65-429,896.06-109,111.40

Finding the Fourth Proportional to 286,594.65, 429,896.06 and 109,111.40

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Solution

The fourth proportional to 286,594.65, 429,896.06 and 109,111.40 is: 163,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,594.65 : 429,896.06 = 109,111.40 : x
  2. Step 2: Convert to fraction form
    286,594.65/429,896.06 = 109,111.40/x
  3. Step 3: Cross multiply
    286,594.65x = 429,896.06 × 109,111.40
  4. Step 4: Simplify right side
    286,594.65x = 46,906,560,287.32
  5. Step 5: Solve for x
    x = 46,906,560,287.32/286,594.65
  6. Step 6: Final answer
    x = 163,668.65

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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.