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Finding the Fourth Proportional to 301,169.60, 415,627.08 and 180,287.50

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Solution

The fourth proportional to 301,169.60, 415,627.08 and 180,287.50 is: 248,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,169.60 : 415,627.08 = 180,287.50 : x
  2. Step 2: Convert to fraction form
    301,169.60/415,627.08 = 180,287.50/x
  3. Step 3: Cross multiply
    301,169.60x = 415,627.08 × 180,287.50
  4. Step 4: Simplify right side
    301,169.60x = 74,932,367,185.50
  5. Step 5: Solve for x
    x = 74,932,367,185.50/301,169.60
  6. Step 6: Final answer
    x = 248,804.55

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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.