Home / 321,748.95-444,005.08-176,554.28

Finding the Fourth Proportional to 321,748.95, 444,005.08 and 176,554.28

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Solution

The fourth proportional to 321,748.95, 444,005.08 and 176,554.28 is: 243,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,748.95 : 444,005.08 = 176,554.28 : x
  2. Step 2: Convert to fraction form
    321,748.95/444,005.08 = 176,554.28/x
  3. Step 3: Cross multiply
    321,748.95x = 444,005.08 × 176,554.28
  4. Step 4: Simplify right side
    321,748.95x = 78,390,998,629.21
  5. Step 5: Solve for x
    x = 78,390,998,629.21/321,748.95
  6. Step 6: Final answer
    x = 243,640.26

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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.