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Finding the Fourth Proportional to 301,174.60, 415,634 and 180,292.48

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Solution

The fourth proportional to 301,174.60, 415,634 and 180,292.48 is: 248,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,174.60 : 415,634 = 180,292.48 : x
  2. Step 2: Convert to fraction form
    301,174.60/415,634 = 180,292.48/x
  3. Step 3: Cross multiply
    301,174.60x = 415,634 × 180,292.48
  4. Step 4: Simplify right side
    301,174.60x = 74,935,684,632.32
  5. Step 5: Solve for x
    x = 74,935,684,632.32/301,174.60
  6. Step 6: Final answer
    x = 248,811.44

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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.