Home / 345,701.69-476,898.77-231,008.49

Finding the Fourth Proportional to 345,701.69, 476,898.77 and 231,008.49

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Solution

The fourth proportional to 345,701.69, 476,898.77 and 231,008.49 is: 318,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,701.69 : 476,898.77 = 231,008.49 : x
  2. Step 2: Convert to fraction form
    345,701.69/476,898.77 = 231,008.49/x
  3. Step 3: Cross multiply
    345,701.69x = 476,898.77 × 231,008.49
  4. Step 4: Simplify right side
    345,701.69x = 110,167,663,585.52
  5. Step 5: Solve for x
    x = 110,167,663,585.52/345,701.69
  6. Step 6: Final answer
    x = 318,678.40

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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.