Home / 355,664.12-490,592.09-248,194.94

Finding the Fourth Proportional to 355,664.12, 490,592.09 and 248,194.94

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Solution

The fourth proportional to 355,664.12, 490,592.09 and 248,194.94 is: 342,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,664.12 : 490,592.09 = 248,194.94 : x
  2. Step 2: Convert to fraction form
    355,664.12/490,592.09 = 248,194.94/x
  3. Step 3: Cross multiply
    355,664.12x = 490,592.09 × 248,194.94
  4. Step 4: Simplify right side
    355,664.12x = 121,762,472,509.55
  5. Step 5: Solve for x
    x = 121,762,472,509.55/355,664.12
  6. Step 6: Final answer
    x = 342,352.43

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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.