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Finding the Fourth Proportional to 375,458.58, 564,786.08 and 340,343.36

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Solution

The fourth proportional to 375,458.58, 564,786.08 and 340,343.36 is: 511,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,458.58 : 564,786.08 = 340,343.36 : x
  2. Step 2: Convert to fraction form
    375,458.58/564,786.08 = 340,343.36/x
  3. Step 3: Cross multiply
    375,458.58x = 564,786.08 × 340,343.36
  4. Step 4: Simplify right side
    375,458.58x = 192,221,192,148.43
  5. Step 5: Solve for x
    x = 192,221,192,148.43/375,458.58
  6. Step 6: Final answer
    x = 511,963.78

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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.