Home / 355,144.18-490,090.91-193,999.95

Finding the Fourth Proportional to 355,144.18, 490,090.91 and 193,999.95

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Solution

The fourth proportional to 355,144.18, 490,090.91 and 193,999.95 is: 267,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,144.18 : 490,090.91 = 193,999.95 : x
  2. Step 2: Convert to fraction form
    355,144.18/490,090.91 = 193,999.95/x
  3. Step 3: Cross multiply
    355,144.18x = 490,090.91 × 193,999.95
  4. Step 4: Simplify right side
    355,144.18x = 95,077,612,035.45
  5. Step 5: Solve for x
    x = 95,077,612,035.45/355,144.18
  6. Step 6: Final answer
    x = 267,715.53

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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.