Home / 330,493.08-456,054.66-187,275.54

Finding the Fourth Proportional to 330,493.08, 456,054.66 and 187,275.54

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Solution

The fourth proportional to 330,493.08, 456,054.66 and 187,275.54 is: 258,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,493.08 : 456,054.66 = 187,275.54 : x
  2. Step 2: Convert to fraction form
    330,493.08/456,054.66 = 187,275.54/x
  3. Step 3: Cross multiply
    330,493.08x = 456,054.66 × 187,275.54
  4. Step 4: Simplify right side
    330,493.08x = 85,407,882,721.02
  5. Step 5: Solve for x
    x = 85,407,882,721.02/330,493.08
  6. Step 6: Final answer
    x = 258,425.63

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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.