Home / 264,935.40-397,403.10-260,998.80

Finding the Fourth Proportional to 264,935.40, 397,403.10 and 260,998.80

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Solution

The fourth proportional to 264,935.40, 397,403.10 and 260,998.80 is: 391,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,935.40 : 397,403.10 = 260,998.80 : x
  2. Step 2: Convert to fraction form
    264,935.40/397,403.10 = 260,998.80/x
  3. Step 3: Cross multiply
    264,935.40x = 397,403.10 × 260,998.80
  4. Step 4: Simplify right side
    264,935.40x = 103,721,732,216.28
  5. Step 5: Solve for x
    x = 103,721,732,216.28/264,935.40
  6. Step 6: Final answer
    x = 391,498.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.