Home / 227,630.80-341,446.20-215,383.60

Finding the Fourth Proportional to 227,630.80, 341,446.20 and 215,383.60

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Solution

The fourth proportional to 227,630.80, 341,446.20 and 215,383.60 is: 323,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,630.80 : 341,446.20 = 215,383.60 : x
  2. Step 2: Convert to fraction form
    227,630.80/341,446.20 = 215,383.60/x
  3. Step 3: Cross multiply
    227,630.80x = 341,446.20 × 215,383.60
  4. Step 4: Simplify right side
    227,630.80x = 73,541,911,762.32
  5. Step 5: Solve for x
    x = 73,541,911,762.32/227,630.80
  6. Step 6: Final answer
    x = 323,075.40

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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.