Home / 366,977.48-550,493.55-130,289.40

Finding the Fourth Proportional to 366,977.48, 550,493.55 and 130,289.40

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Solution

The fourth proportional to 366,977.48, 550,493.55 and 130,289.40 is: 195,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,977.48 : 550,493.55 = 130,289.40 : x
  2. Step 2: Convert to fraction form
    366,977.48/550,493.55 = 130,289.40/x
  3. Step 3: Cross multiply
    366,977.48x = 550,493.55 × 130,289.40
  4. Step 4: Simplify right side
    366,977.48x = 71,723,474,333.37
  5. Step 5: Solve for x
    x = 71,723,474,333.37/366,977.48
  6. Step 6: Final answer
    x = 195,443.81

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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.