Home / 355,276.56-490,279.44-194,127.36

Finding the Fourth Proportional to 355,276.56, 490,279.44 and 194,127.36

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Solution

The fourth proportional to 355,276.56, 490,279.44 and 194,127.36 is: 267,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,276.56 : 490,279.44 = 194,127.36 : x
  2. Step 2: Convert to fraction form
    355,276.56/490,279.44 = 194,127.36/x
  3. Step 3: Cross multiply
    355,276.56x = 490,279.44 × 194,127.36
  4. Step 4: Simplify right side
    355,276.56x = 95,176,653,349.48
  5. Step 5: Solve for x
    x = 95,176,653,349.48/355,276.56
  6. Step 6: Final answer
    x = 267,894.55

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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.