Home / 366,721.21-506,079.86-223,494.58

Finding the Fourth Proportional to 366,721.21, 506,079.86 and 223,494.58

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Solution

The fourth proportional to 366,721.21, 506,079.86 and 223,494.58 is: 308,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,721.21 : 506,079.86 = 223,494.58 : x
  2. Step 2: Convert to fraction form
    366,721.21/506,079.86 = 223,494.58/x
  3. Step 3: Cross multiply
    366,721.21x = 506,079.86 × 223,494.58
  4. Step 4: Simplify right side
    366,721.21x = 113,106,105,757.16
  5. Step 5: Solve for x
    x = 113,106,105,757.16/366,721.21
  6. Step 6: Final answer
    x = 308,425.32

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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.