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Finding the Fourth Proportional to 446,644.58, 669,822.89 and 147,053.82

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Solution

The fourth proportional to 446,644.58, 669,822.89 and 147,053.82 is: 220,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,644.58 : 669,822.89 = 147,053.82 : x
  2. Step 2: Convert to fraction form
    446,644.58/669,822.89 = 147,053.82/x
  3. Step 3: Cross multiply
    446,644.58x = 669,822.89 × 147,053.82
  4. Step 4: Simplify right side
    446,644.58x = 98,500,016,474.51
  5. Step 5: Solve for x
    x = 98,500,016,474.51/446,644.58
  6. Step 6: Final answer
    x = 220,533.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.