Home / 355,273.14-490,271.07-194,124.72

Finding the Fourth Proportional to 355,273.14, 490,271.07 and 194,124.72

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Solution

The fourth proportional to 355,273.14, 490,271.07 and 194,124.72 is: 267,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,273.14 : 490,271.07 = 194,124.72 : x
  2. Step 2: Convert to fraction form
    355,273.14/490,271.07 = 194,124.72/x
  3. Step 3: Cross multiply
    355,273.14x = 490,271.07 × 194,124.72
  4. Step 4: Simplify right side
    355,273.14x = 95,173,734,187.85
  5. Step 5: Solve for x
    x = 95,173,734,187.85/355,273.14
  6. Step 6: Final answer
    x = 267,888.91

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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.