Home / 340,550.06-469,468.10-238,258.60

Finding the Fourth Proportional to 340,550.06, 469,468.10 and 238,258.60

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Solution

The fourth proportional to 340,550.06, 469,468.10 and 238,258.60 is: 328,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,550.06 : 469,468.10 = 238,258.60 : x
  2. Step 2: Convert to fraction form
    340,550.06/469,468.10 = 238,258.60/x
  3. Step 3: Cross multiply
    340,550.06x = 469,468.10 × 238,258.60
  4. Step 4: Simplify right side
    340,550.06x = 111,854,811,672.64
  5. Step 5: Solve for x
    x = 111,854,811,672.64/340,550.06
  6. Step 6: Final answer
    x = 328,453.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.