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Finding the Fourth Proportional to 366,859.20, 514,536 and 366,859.20

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Solution

The fourth proportional to 366,859.20, 514,536 and 366,859.20 is: 514,536

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,859.20 : 514,536 = 366,859.20 : x
  2. Step 2: Convert to fraction form
    366,859.20/514,536 = 366,859.20/x
  3. Step 3: Cross multiply
    366,859.20x = 514,536 × 366,859.20
  4. Step 4: Simplify right side
    366,859.20x = 188,762,265,331.20
  5. Step 5: Solve for x
    x = 188,762,265,331.20/366,859.20
  6. Step 6: Final answer
    x = 514,536

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.