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Finding the Fourth Proportional to 337,292.72, 465,445.64 and 186,380

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Solution

The fourth proportional to 337,292.72, 465,445.64 and 186,380 is: 257,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,292.72 : 465,445.64 = 186,380 : x
  2. Step 2: Convert to fraction form
    337,292.72/465,445.64 = 186,380/x
  3. Step 3: Cross multiply
    337,292.72x = 465,445.64 × 186,380
  4. Step 4: Simplify right side
    337,292.72x = 86,749,758,383.20
  5. Step 5: Solve for x
    x = 86,749,758,383.20/337,292.72
  6. Step 6: Final answer
    x = 257,194.28

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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.