Home / 340,508.08-510,869.04-140,922.46

Finding the Fourth Proportional to 340,508.08, 510,869.04 and 140,922.46

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Solution

The fourth proportional to 340,508.08, 510,869.04 and 140,922.46 is: 211,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,508.08 : 510,869.04 = 140,922.46 : x
  2. Step 2: Convert to fraction form
    340,508.08/510,869.04 = 140,922.46/x
  3. Step 3: Cross multiply
    340,508.08x = 510,869.04 × 140,922.46
  4. Step 4: Simplify right side
    340,508.08x = 71,992,921,854.64
  5. Step 5: Solve for x
    x = 71,992,921,854.64/340,508.08
  6. Step 6: Final answer
    x = 211,427.94

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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.