Home / 227,116.20-340,674.30-143,135.40

Finding the Fourth Proportional to 227,116.20, 340,674.30 and 143,135.40

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Solution

The fourth proportional to 227,116.20, 340,674.30 and 143,135.40 is: 214,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,116.20 : 340,674.30 = 143,135.40 : x
  2. Step 2: Convert to fraction form
    227,116.20/340,674.30 = 143,135.40/x
  3. Step 3: Cross multiply
    227,116.20x = 340,674.30 × 143,135.40
  4. Step 4: Simplify right side
    227,116.20x = 48,762,552,200.22
  5. Step 5: Solve for x
    x = 48,762,552,200.22/227,116.20
  6. Step 6: Final answer
    x = 214,703.10

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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.