Home / 240,421.60-331,768.02-131,504.32

Finding the Fourth Proportional to 240,421.60, 331,768.02 and 131,504.32

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Solution

The fourth proportional to 240,421.60, 331,768.02 and 131,504.32 is: 181,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,421.60 : 331,768.02 = 131,504.32 : x
  2. Step 2: Convert to fraction form
    240,421.60/331,768.02 = 131,504.32/x
  3. Step 3: Cross multiply
    240,421.60x = 331,768.02 × 131,504.32
  4. Step 4: Simplify right side
    240,421.60x = 43,628,927,867.85
  5. Step 5: Solve for x
    x = 43,628,927,867.85/240,421.60
  6. Step 6: Final answer
    x = 181,468.42

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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.