Home / 354,170.12-488,740.54-193,021.72

Finding the Fourth Proportional to 354,170.12, 488,740.54 and 193,021.72

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Solution

The fourth proportional to 354,170.12, 488,740.54 and 193,021.72 is: 266,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,170.12 : 488,740.54 = 193,021.72 : x
  2. Step 2: Convert to fraction form
    354,170.12/488,740.54 = 193,021.72/x
  3. Step 3: Cross multiply
    354,170.12x = 488,740.54 × 193,021.72
  4. Step 4: Simplify right side
    354,170.12x = 94,337,536,255.72
  5. Step 5: Solve for x
    x = 94,337,536,255.72/354,170.12
  6. Step 6: Final answer
    x = 266,362.21

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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.