Home / 264,028.60-395,945.70-86,541.40

Finding the Fourth Proportional to 264,028.60, 395,945.70 and 86,541.40

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Solution

The fourth proportional to 264,028.60, 395,945.70 and 86,541.40 is: 129,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,028.60 : 395,945.70 = 86,541.40 : x
  2. Step 2: Convert to fraction form
    264,028.60/395,945.70 = 86,541.40/x
  3. Step 3: Cross multiply
    264,028.60x = 395,945.70 × 86,541.40
  4. Step 4: Simplify right side
    264,028.60x = 34,265,695,201.98
  5. Step 5: Solve for x
    x = 34,265,695,201.98/264,028.60
  6. Step 6: Final answer
    x = 129,780.24

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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.