Home / 355,386.48-490,432.20-194,241.42

Finding the Fourth Proportional to 355,386.48, 490,432.20 and 194,241.42

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Solution

The fourth proportional to 355,386.48, 490,432.20 and 194,241.42 is: 268,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,386.48 : 490,432.20 = 194,241.42 : x
  2. Step 2: Convert to fraction form
    355,386.48/490,432.20 = 194,241.42/x
  3. Step 3: Cross multiply
    355,386.48x = 490,432.20 × 194,241.42
  4. Step 4: Simplify right side
    355,386.48x = 95,262,246,941.72
  5. Step 5: Solve for x
    x = 95,262,246,941.72/355,386.48
  6. Step 6: Final answer
    x = 268,052.54

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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.