Home / 461,462.43-636,816.94-257,511.18

Finding the Fourth Proportional to 461,462.43, 636,816.94 and 257,511.18

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Solution

The fourth proportional to 461,462.43, 636,816.94 and 257,511.18 is: 355,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,462.43 : 636,816.94 = 257,511.18 : x
  2. Step 2: Convert to fraction form
    461,462.43/636,816.94 = 257,511.18/x
  3. Step 3: Cross multiply
    461,462.43x = 636,816.94 × 257,511.18
  4. Step 4: Simplify right side
    461,462.43x = 163,987,483,407.68
  5. Step 5: Solve for x
    x = 163,987,483,407.68/461,462.43
  6. Step 6: Final answer
    x = 355,364.75

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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.