Home / 330,631.56-456,276.55-185,469.52

Finding the Fourth Proportional to 330,631.56, 456,276.55 and 185,469.52

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Solution

The fourth proportional to 330,631.56, 456,276.55 and 185,469.52 is: 255,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,631.56 : 456,276.55 = 185,469.52 : x
  2. Step 2: Convert to fraction form
    330,631.56/456,276.55 = 185,469.52/x
  3. Step 3: Cross multiply
    330,631.56x = 456,276.55 × 185,469.52
  4. Step 4: Simplify right side
    330,631.56x = 84,625,391,111.39
  5. Step 5: Solve for x
    x = 84,625,391,111.39/330,631.56
  6. Step 6: Final answer
    x = 255,950.74

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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.