Home / 321,748.74-444,004.79-176,554.07

Finding the Fourth Proportional to 321,748.74, 444,004.79 and 176,554.07

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Solution

The fourth proportional to 321,748.74, 444,004.79 and 176,554.07 is: 243,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,748.74 : 444,004.79 = 176,554.07 : x
  2. Step 2: Convert to fraction form
    321,748.74/444,004.79 = 176,554.07/x
  3. Step 3: Cross multiply
    321,748.74x = 444,004.79 × 176,554.07
  4. Step 4: Simplify right side
    321,748.74x = 78,390,853,578.10
  5. Step 5: Solve for x
    x = 78,390,853,578.10/321,748.74
  6. Step 6: Final answer
    x = 243,639.97

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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.