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Finding the Fourth Proportional to 375,104.79, 517,886.10 and 334,749.24

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Solution

The fourth proportional to 375,104.79, 517,886.10 and 334,749.24 is: 462,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,104.79 : 517,886.10 = 334,749.24 : x
  2. Step 2: Convert to fraction form
    375,104.79/517,886.10 = 334,749.24/x
  3. Step 3: Cross multiply
    375,104.79x = 517,886.10 × 334,749.24
  4. Step 4: Simplify right side
    375,104.79x = 173,361,978,381.56
  5. Step 5: Solve for x
    x = 173,361,978,381.56/375,104.79
  6. Step 6: Final answer
    x = 462,169.46

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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.