Home / 340,507.08-510,867.54-140,921.46

Finding the Fourth Proportional to 340,507.08, 510,867.54 and 140,921.46

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Solution

The fourth proportional to 340,507.08, 510,867.54 and 140,921.46 is: 211,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,507.08 : 510,867.54 = 140,921.46 : x
  2. Step 2: Convert to fraction form
    340,507.08/510,867.54 = 140,921.46/x
  3. Step 3: Cross multiply
    340,507.08x = 510,867.54 × 140,921.46
  4. Step 4: Simplify right side
    340,507.08x = 71,992,199,603.41
  5. Step 5: Solve for x
    x = 71,992,199,603.41/340,507.08
  6. Step 6: Final answer
    x = 211,426.44

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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.