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Finding the Fourth Proportional to 561,590.82, 842,262.03 and 162,144.90

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Solution

The fourth proportional to 561,590.82, 842,262.03 and 162,144.90 is: 243,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,590.82 : 842,262.03 = 162,144.90 : x
  2. Step 2: Convert to fraction form
    561,590.82/842,262.03 = 162,144.90/x
  3. Step 3: Cross multiply
    561,590.82x = 842,262.03 × 162,144.90
  4. Step 4: Simplify right side
    561,590.82x = 136,568,492,628.15
  5. Step 5: Solve for x
    x = 136,568,492,628.15/561,590.82
  6. Step 6: Final answer
    x = 243,181.49

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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.