Home / 218,420.41-301,370.30-122,892.25

Finding the Fourth Proportional to 218,420.41, 301,370.30 and 122,892.25

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Solution

The fourth proportional to 218,420.41, 301,370.30 and 122,892.25 is: 169,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,420.41 : 301,370.30 = 122,892.25 : x
  2. Step 2: Convert to fraction form
    218,420.41/301,370.30 = 122,892.25/x
  3. Step 3: Cross multiply
    218,420.41x = 301,370.30 × 122,892.25
  4. Step 4: Simplify right side
    218,420.41x = 37,036,073,343.13
  5. Step 5: Solve for x
    x = 37,036,073,343.13/218,420.41
  6. Step 6: Final answer
    x = 169,563.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.