Home / 340,890.26-511,335.45-104,232.96

Finding the Fourth Proportional to 340,890.26, 511,335.45 and 104,232.96

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Solution

The fourth proportional to 340,890.26, 511,335.45 and 104,232.96 is: 156,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,890.26 : 511,335.45 = 104,232.96 : x
  2. Step 2: Convert to fraction form
    340,890.26/511,335.45 = 104,232.96/x
  3. Step 3: Cross multiply
    340,890.26x = 511,335.45 × 104,232.96
  4. Step 4: Simplify right side
    340,890.26x = 53,298,007,506.43
  5. Step 5: Solve for x
    x = 53,298,007,506.43/340,890.26
  6. Step 6: Final answer
    x = 156,349.46

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1.5x scale

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.