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Finding the Fourth Proportional to 330,477.94, 456,062.29 and 179,574.94

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Solution

The fourth proportional to 330,477.94, 456,062.29 and 179,574.94 is: 247,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,477.94 : 456,062.29 = 179,574.94 : x
  2. Step 2: Convert to fraction form
    330,477.94/456,062.29 = 179,574.94/x
  3. Step 3: Cross multiply
    330,477.94x = 456,062.29 × 179,574.94
  4. Step 4: Simplify right side
    330,477.94x = 81,897,358,363.01
  5. Step 5: Solve for x
    x = 81,897,358,363.01/330,477.94
  6. Step 6: Final answer
    x = 247,814.90

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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.