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Finding the Fourth Proportional to 375,050.46, 517,556.70 and 213,957.66

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Solution

The fourth proportional to 375,050.46, 517,556.70 and 213,957.66 is: 295,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,050.46 : 517,556.70 = 213,957.66 : x
  2. Step 2: Convert to fraction form
    375,050.46/517,556.70 = 213,957.66/x
  3. Step 3: Cross multiply
    375,050.46x = 517,556.70 × 213,957.66
  4. Step 4: Simplify right side
    375,050.46x = 110,735,220,449.32
  5. Step 5: Solve for x
    x = 110,735,220,449.32/375,050.46
  6. Step 6: Final answer
    x = 295,254.19

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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.