Home / 419,979.40-629,805.30-183,160.60

Finding the Fourth Proportional to 419,979.40, 629,805.30 and 183,160.60

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Solution

The fourth proportional to 419,979.40, 629,805.30 and 183,160.60 is: 274,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,979.40 : 629,805.30 = 183,160.60 : x
  2. Step 2: Convert to fraction form
    419,979.40/629,805.30 = 183,160.60/x
  3. Step 3: Cross multiply
    419,979.40x = 629,805.30 × 183,160.60
  4. Step 4: Simplify right side
    419,979.40x = 115,355,516,631.18
  5. Step 5: Solve for x
    x = 115,355,516,631.18/419,979.40
  6. Step 6: Final answer
    x = 274,669.46

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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.