Home / 222,459.38-306,993.94-126,964.02

Finding the Fourth Proportional to 222,459.38, 306,993.94 and 126,964.02

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Solution

The fourth proportional to 222,459.38, 306,993.94 and 126,964.02 is: 175,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,459.38 : 306,993.94 = 126,964.02 : x
  2. Step 2: Convert to fraction form
    222,459.38/306,993.94 = 126,964.02/x
  3. Step 3: Cross multiply
    222,459.38x = 306,993.94 × 126,964.02
  4. Step 4: Simplify right side
    222,459.38x = 38,977,184,420.63
  5. Step 5: Solve for x
    x = 38,977,184,420.63/222,459.38
  6. Step 6: Final answer
    x = 175,210.35

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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.