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Finding the Fourth Proportional to 355,304.48, 490,319.17 and 194,160.54

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Solution

The fourth proportional to 355,304.48, 490,319.17 and 194,160.54 is: 267,941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,304.48 : 490,319.17 = 194,160.54 : x
  2. Step 2: Convert to fraction form
    355,304.48/490,319.17 = 194,160.54/x
  3. Step 3: Cross multiply
    355,304.48x = 490,319.17 × 194,160.54
  4. Step 4: Simplify right side
    355,304.48x = 95,200,637,265.00
  5. Step 5: Solve for x
    x = 95,200,637,265.00/355,304.48
  6. Step 6: Final answer
    x = 267,941.00

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1.5x scale

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.