Home / 288,287.35-432,080.07-204,071.38

Finding the Fourth Proportional to 288,287.35, 432,080.07 and 204,071.38

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Solution

The fourth proportional to 288,287.35, 432,080.07 and 204,071.38 is: 305,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,287.35 : 432,080.07 = 204,071.38 : x
  2. Step 2: Convert to fraction form
    288,287.35/432,080.07 = 204,071.38/x
  3. Step 3: Cross multiply
    288,287.35x = 432,080.07 × 204,071.38
  4. Step 4: Simplify right side
    288,287.35x = 88,175,176,155.40
  5. Step 5: Solve for x
    x = 88,175,176,155.40/288,287.35
  6. Step 6: Final answer
    x = 305,858.64

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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.