Home / 355,234.07-490,217.22-194,085.65

Finding the Fourth Proportional to 355,234.07, 490,217.22 and 194,085.65

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Solution

The fourth proportional to 355,234.07, 490,217.22 and 194,085.65 is: 267,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,234.07 : 490,217.22 = 194,085.65 : x
  2. Step 2: Convert to fraction form
    355,234.07/490,217.22 = 194,085.65/x
  3. Step 3: Cross multiply
    355,234.07x = 490,217.22 × 194,085.65
  4. Step 4: Simplify right side
    355,234.07x = 95,144,127,784.89
  5. Step 5: Solve for x
    x = 95,144,127,784.89/355,234.07
  6. Step 6: Final answer
    x = 267,835.03

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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.