Home / 545,895.97-819,097.58-208,825.20

Finding the Fourth Proportional to 545,895.97, 819,097.58 and 208,825.20

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Solution

The fourth proportional to 545,895.97, 819,097.58 and 208,825.20 is: 313,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,895.97 : 819,097.58 = 208,825.20 : x
  2. Step 2: Convert to fraction form
    545,895.97/819,097.58 = 208,825.20/x
  3. Step 3: Cross multiply
    545,895.97x = 819,097.58 × 208,825.20
  4. Step 4: Simplify right side
    545,895.97x = 171,048,215,963.02
  5. Step 5: Solve for x
    x = 171,048,215,963.02/545,895.97
  6. Step 6: Final answer
    x = 313,334.82

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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.