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Finding the Fourth Proportional to 486,797.20, 671,776.92 and 271,935.36

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Solution

The fourth proportional to 486,797.20, 671,776.92 and 271,935.36 is: 375,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,797.20 : 671,776.92 = 271,935.36 : x
  2. Step 2: Convert to fraction form
    486,797.20/671,776.92 = 271,935.36/x
  3. Step 3: Cross multiply
    486,797.20x = 671,776.92 × 271,935.36
  4. Step 4: Simplify right side
    486,797.20x = 182,679,898,579.89
  5. Step 5: Solve for x
    x = 182,679,898,579.89/486,797.20
  6. Step 6: Final answer
    x = 375,269.00

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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.