Home / 355,319.09-490,346.75-194,180.93

Finding the Fourth Proportional to 355,319.09, 490,346.75 and 194,180.93

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Solution

The fourth proportional to 355,319.09, 490,346.75 and 194,180.93 is: 267,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,319.09 : 490,346.75 = 194,180.93 : x
  2. Step 2: Convert to fraction form
    355,319.09/490,346.75 = 194,180.93/x
  3. Step 3: Cross multiply
    355,319.09x = 490,346.75 × 194,180.93
  4. Step 4: Simplify right side
    355,319.09x = 95,215,987,937.48
  5. Step 5: Solve for x
    x = 95,215,987,937.48/355,319.09
  6. Step 6: Final answer
    x = 267,973.18

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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.