Home / 340,968.60-511,434.41-104,311.31

Finding the Fourth Proportional to 340,968.60, 511,434.41 and 104,311.31

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Solution

The fourth proportional to 340,968.60, 511,434.41 and 104,311.31 is: 156,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,968.60 : 511,434.41 = 104,311.31 : x
  2. Step 2: Convert to fraction form
    340,968.60/511,434.41 = 104,311.31/x
  3. Step 3: Cross multiply
    340,968.60x = 511,434.41 × 104,311.31
  4. Step 4: Simplify right side
    340,968.60x = 53,348,390,207.45
  5. Step 5: Solve for x
    x = 53,348,390,207.45/340,968.60
  6. Step 6: Final answer
    x = 156,461.30

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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.