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Finding the Fourth Proportional to 375,342.80, 517,967.72 and 214,248.88

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Solution

The fourth proportional to 375,342.80, 517,967.72 and 214,248.88 is: 295,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,342.80 : 517,967.72 = 214,248.88 : x
  2. Step 2: Convert to fraction form
    375,342.80/517,967.72 = 214,248.88/x
  3. Step 3: Cross multiply
    375,342.80x = 517,967.72 × 214,248.88
  4. Step 4: Simplify right side
    375,342.80x = 110,974,003,886.15
  5. Step 5: Solve for x
    x = 110,974,003,886.15/375,342.80
  6. Step 6: Final answer
    x = 295,660.40

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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.