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Finding the Fourth Proportional to 214,997.48, 322,145.48 and 130,783.40

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Solution

The fourth proportional to 214,997.48, 322,145.48 and 130,783.40 is: 195,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,997.48 : 322,145.48 = 130,783.40 : x
  2. Step 2: Convert to fraction form
    214,997.48/322,145.48 = 130,783.40/x
  3. Step 3: Cross multiply
    214,997.48x = 322,145.48 × 130,783.40
  4. Step 4: Simplify right side
    214,997.48x = 42,131,281,169.03
  5. Step 5: Solve for x
    x = 42,131,281,169.03/214,997.48
  6. Step 6: Final answer
    x = 195,961.74

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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.