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Finding the Fourth Proportional to 303,256.26, 418,227.77 and 242,804.86

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Solution

The fourth proportional to 303,256.26, 418,227.77 and 242,804.86 is: 334,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,256.26 : 418,227.77 = 242,804.86 : x
  2. Step 2: Convert to fraction form
    303,256.26/418,227.77 = 242,804.86/x
  3. Step 3: Cross multiply
    303,256.26x = 418,227.77 × 242,804.86
  4. Step 4: Simplify right side
    303,256.26x = 101,547,734,704.41
  5. Step 5: Solve for x
    x = 101,547,734,704.41/303,256.26
  6. Step 6: Final answer
    x = 334,857.84

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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.