Home / 340,577.96-510,928.88-140,789.84

Finding the Fourth Proportional to 340,577.96, 510,928.88 and 140,789.84

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Solution

The fourth proportional to 340,577.96, 510,928.88 and 140,789.84 is: 211,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,577.96 : 510,928.88 = 140,789.84 : x
  2. Step 2: Convert to fraction form
    340,577.96/510,928.88 = 140,789.84/x
  3. Step 3: Cross multiply
    340,577.96x = 510,928.88 × 140,789.84
  4. Step 4: Simplify right side
    340,577.96x = 71,933,595,266.58
  5. Step 5: Solve for x
    x = 71,933,595,266.58/340,577.96
  6. Step 6: Final answer
    x = 211,210.37

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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.