Home / 355,130.25-490,076.84-193,985.34

Finding the Fourth Proportional to 355,130.25, 490,076.84 and 193,985.34

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Solution

The fourth proportional to 355,130.25, 490,076.84 and 193,985.34 is: 267,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,130.25 : 490,076.84 = 193,985.34 : x
  2. Step 2: Convert to fraction form
    355,130.25/490,076.84 = 193,985.34/x
  3. Step 3: Cross multiply
    355,130.25x = 490,076.84 × 193,985.34
  4. Step 4: Simplify right side
    355,130.25x = 95,067,721,463.60
  5. Step 5: Solve for x
    x = 95,067,721,463.60/355,130.25
  6. Step 6: Final answer
    x = 267,698.18

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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.