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Finding the Fourth Proportional to 330,645.87, 456,291.77 and 179,742.87

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Solution

The fourth proportional to 330,645.87, 456,291.77 and 179,742.87 is: 248,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,645.87 : 456,291.77 = 179,742.87 : x
  2. Step 2: Convert to fraction form
    330,645.87/456,291.77 = 179,742.87/x
  3. Step 3: Cross multiply
    330,645.87x = 456,291.77 × 179,742.87
  4. Step 4: Simplify right side
    330,645.87x = 82,015,191,398.47
  5. Step 5: Solve for x
    x = 82,015,191,398.47/330,645.87
  6. Step 6: Final answer
    x = 248,045.41

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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.