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Finding the Fourth Proportional to 214,998.40, 322,497.60 and 108,710.20

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Solution

The fourth proportional to 214,998.40, 322,497.60 and 108,710.20 is: 163,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,998.40 : 322,497.60 = 108,710.20 : x
  2. Step 2: Convert to fraction form
    214,998.40/322,497.60 = 108,710.20/x
  3. Step 3: Cross multiply
    214,998.40x = 322,497.60 × 108,710.20
  4. Step 4: Simplify right side
    214,998.40x = 35,058,778,595.52
  5. Step 5: Solve for x
    x = 35,058,778,595.52/214,998.40
  6. Step 6: Final answer
    x = 163,065.30

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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.