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Finding the Fourth Proportional to 375,688.37, 518,503.12 and 232,494.54

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Solution

The fourth proportional to 375,688.37, 518,503.12 and 232,494.54 is: 320,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,688.37 : 518,503.12 = 232,494.54 : x
  2. Step 2: Convert to fraction form
    375,688.37/518,503.12 = 232,494.54/x
  3. Step 3: Cross multiply
    375,688.37x = 518,503.12 × 232,494.54
  4. Step 4: Simplify right side
    375,688.37x = 120,549,144,372.97
  5. Step 5: Solve for x
    x = 120,549,144,372.97/375,688.37
  6. Step 6: Final answer
    x = 320,875.37

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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.