Home / 366,918.48-550,405.05-130,230.40

Finding the Fourth Proportional to 366,918.48, 550,405.05 and 130,230.40

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Solution

The fourth proportional to 366,918.48, 550,405.05 and 130,230.40 is: 195,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.48 : 550,405.05 = 130,230.40 : x
  2. Step 2: Convert to fraction form
    366,918.48/550,405.05 = 130,230.40/x
  3. Step 3: Cross multiply
    366,918.48x = 550,405.05 × 130,230.40
  4. Step 4: Simplify right side
    366,918.48x = 71,679,469,823.52
  5. Step 5: Solve for x
    x = 71,679,469,823.52/366,918.48
  6. Step 6: Final answer
    x = 195,355.30

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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.