Home / 340,974.60-511,461.90-208,114.35

Finding the Fourth Proportional to 340,974.60, 511,461.90 and 208,114.35

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Solution

The fourth proportional to 340,974.60, 511,461.90 and 208,114.35 is: 312,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,974.60 : 511,461.90 = 208,114.35 : x
  2. Step 2: Convert to fraction form
    340,974.60/511,461.90 = 208,114.35/x
  3. Step 3: Cross multiply
    340,974.60x = 511,461.90 × 208,114.35
  4. Step 4: Simplify right side
    340,974.60x = 106,442,560,868.27
  5. Step 5: Solve for x
    x = 106,442,560,868.27/340,974.60
  6. Step 6: Final answer
    x = 312,171.53

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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.