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Finding the Fourth Proportional to 340,229.08, 509,760.42 and 240,210.28

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Solution

The fourth proportional to 340,229.08, 509,760.42 and 240,210.28 is: 359,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,229.08 : 509,760.42 = 240,210.28 : x
  2. Step 2: Convert to fraction form
    340,229.08/509,760.42 = 240,210.28/x
  3. Step 3: Cross multiply
    340,229.08x = 509,760.42 × 240,210.28
  4. Step 4: Simplify right side
    340,229.08x = 122,449,693,221.12
  5. Step 5: Solve for x
    x = 122,449,693,221.12/340,229.08
  6. Step 6: Final answer
    x = 359,903.67

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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.