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Finding the Fourth Proportional to 330,477.66, 456,062.06 and 179,574.66

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Solution

The fourth proportional to 330,477.66, 456,062.06 and 179,574.66 is: 247,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,477.66 : 456,062.06 = 179,574.66 : x
  2. Step 2: Convert to fraction form
    330,477.66/456,062.06 = 179,574.66/x
  3. Step 3: Cross multiply
    330,477.66x = 456,062.06 × 179,574.66
  4. Step 4: Simplify right side
    330,477.66x = 81,897,188,465.53
  5. Step 5: Solve for x
    x = 81,897,188,465.53/330,477.66
  6. Step 6: Final answer
    x = 247,814.60

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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.