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Finding the Fourth Proportional to 375,437.44, 518,140.82 and 214,316.70

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Solution

The fourth proportional to 375,437.44, 518,140.82 and 214,316.70 is: 295,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,437.44 : 518,140.82 = 214,316.70 : x
  2. Step 2: Convert to fraction form
    375,437.44/518,140.82 = 214,316.70/x
  3. Step 3: Cross multiply
    375,437.44x = 518,140.82 × 214,316.70
  4. Step 4: Simplify right side
    375,437.44x = 111,046,230,677.69
  5. Step 5: Solve for x
    x = 111,046,230,677.69/375,437.44
  6. Step 6: Final answer
    x = 295,778.25

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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.