Home / 214,905.40-322,358.10-108,617.20

Finding the Fourth Proportional to 214,905.40, 322,358.10 and 108,617.20

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Solution

The fourth proportional to 214,905.40, 322,358.10 and 108,617.20 is: 162,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,905.40 : 322,358.10 = 108,617.20 : x
  2. Step 2: Convert to fraction form
    214,905.40/322,358.10 = 108,617.20/x
  3. Step 3: Cross multiply
    214,905.40x = 322,358.10 × 108,617.20
  4. Step 4: Simplify right side
    214,905.40x = 35,013,634,219.32
  5. Step 5: Solve for x
    x = 35,013,634,219.32/214,905.40
  6. Step 6: Final answer
    x = 162,925.80

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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.