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Finding the Fourth Proportional to 628,521.08, 942,790.27 and 179,242

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Solution

The fourth proportional to 628,521.08, 942,790.27 and 179,242 is: 268,865.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,521.08 : 942,790.27 = 179,242 : x
  2. Step 2: Convert to fraction form
    628,521.08/942,790.27 = 179,242/x
  3. Step 3: Cross multiply
    628,521.08x = 942,790.27 × 179,242
  4. Step 4: Simplify right side
    628,521.08x = 168,987,613,575.34
  5. Step 5: Solve for x
    x = 168,987,613,575.34/628,521.08
  6. Step 6: Final answer
    x = 268,865.47

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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.