Home / 355,304.90-490,327.18-194,166.74

Finding the Fourth Proportional to 355,304.90, 490,327.18 and 194,166.74

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Solution

The fourth proportional to 355,304.90, 490,327.18 and 194,166.74 is: 267,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,304.90 : 490,327.18 = 194,166.74 : x
  2. Step 2: Convert to fraction form
    355,304.90/490,327.18 = 194,166.74/x
  3. Step 3: Cross multiply
    355,304.90x = 490,327.18 × 194,166.74
  4. Step 4: Simplify right side
    355,304.90x = 95,205,230,073.99
  5. Step 5: Solve for x
    x = 95,205,230,073.99/355,304.90
  6. Step 6: Final answer
    x = 267,953.61

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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.