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Finding the Fourth Proportional to 188,514.88, 282,774.56 and 48,269.76

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Solution

The fourth proportional to 188,514.88, 282,774.56 and 48,269.76 is: 72,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,514.88 : 282,774.56 = 48,269.76 : x
  2. Step 2: Convert to fraction form
    188,514.88/282,774.56 = 48,269.76/x
  3. Step 3: Cross multiply
    188,514.88x = 282,774.56 × 48,269.76
  4. Step 4: Simplify right side
    188,514.88x = 13,649,460,145.31
  5. Step 5: Solve for x
    x = 13,649,460,145.31/188,514.88
  6. Step 6: Final answer
    x = 72,405.21

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1.5x scale

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.