Home / 303,925.25-455,480.37-236,538.65

Finding the Fourth Proportional to 303,925.25, 455,480.37 and 236,538.65

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Solution

The fourth proportional to 303,925.25, 455,480.37 and 236,538.65 is: 354,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,925.25 : 455,480.37 = 236,538.65 : x
  2. Step 2: Convert to fraction form
    303,925.25/455,480.37 = 236,538.65/x
  3. Step 3: Cross multiply
    303,925.25x = 455,480.37 × 236,538.65
  4. Step 4: Simplify right side
    303,925.25x = 107,738,711,821.30
  5. Step 5: Solve for x
    x = 107,738,711,821.30/303,925.25
  6. Step 6: Final answer
    x = 354,490.82

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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.