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Finding the Fourth Proportional to 466,820.12, 644,214.42 and 265,616.12

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Solution

The fourth proportional to 466,820.12, 644,214.42 and 265,616.12 is: 366,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,820.12 : 644,214.42 = 265,616.12 : x
  2. Step 2: Convert to fraction form
    466,820.12/644,214.42 = 265,616.12/x
  3. Step 3: Cross multiply
    466,820.12x = 644,214.42 × 265,616.12
  4. Step 4: Simplify right side
    466,820.12x = 171,113,734,688.45
  5. Step 5: Solve for x
    x = 171,113,734,688.45/466,820.12
  6. Step 6: Final answer
    x = 366,551.76

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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.