Home / 264,204.80-396,355.20-86,662.40

Finding the Fourth Proportional to 264,204.80, 396,355.20 and 86,662.40

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Solution

The fourth proportional to 264,204.80, 396,355.20 and 86,662.40 is: 130,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,204.80 : 396,355.20 = 86,662.40 : x
  2. Step 2: Convert to fraction form
    264,204.80/396,355.20 = 86,662.40/x
  3. Step 3: Cross multiply
    264,204.80x = 396,355.20 × 86,662.40
  4. Step 4: Simplify right side
    264,204.80x = 34,349,092,884.48
  5. Step 5: Solve for x
    x = 34,349,092,884.48/264,204.80
  6. Step 6: Final answer
    x = 130,009.34

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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.