Home / 287,634.44-431,357.76-95,457.25

Finding the Fourth Proportional to 287,634.44, 431,357.76 and 95,457.25

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Solution

The fourth proportional to 287,634.44, 431,357.76 and 95,457.25 is: 143,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,634.44 : 431,357.76 = 95,457.25 : x
  2. Step 2: Convert to fraction form
    287,634.44/431,357.76 = 95,457.25/x
  3. Step 3: Cross multiply
    287,634.44x = 431,357.76 × 95,457.25
  4. Step 4: Simplify right side
    287,634.44x = 41,176,224,457.37
  5. Step 5: Solve for x
    x = 41,176,224,457.37/287,634.44
  6. Step 6: Final answer
    x = 143,154.71

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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.