Home / 227,206.20-340,809.30-69,434.40

Finding the Fourth Proportional to 227,206.20, 340,809.30 and 69,434.40

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Solution

The fourth proportional to 227,206.20, 340,809.30 and 69,434.40 is: 104,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,206.20 : 340,809.30 = 69,434.40 : x
  2. Step 2: Convert to fraction form
    227,206.20/340,809.30 = 69,434.40/x
  3. Step 3: Cross multiply
    227,206.20x = 340,809.30 × 69,434.40
  4. Step 4: Simplify right side
    227,206.20x = 23,663,889,259.92
  5. Step 5: Solve for x
    x = 23,663,889,259.92/227,206.20
  6. Step 6: Final answer
    x = 104,151.60

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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.