Home / 354,129.14-488,698.30-192,984.20

Finding the Fourth Proportional to 354,129.14, 488,698.30 and 192,984.20

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Solution

The fourth proportional to 354,129.14, 488,698.30 and 192,984.20 is: 266,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,129.14 : 488,698.30 = 192,984.20 : x
  2. Step 2: Convert to fraction form
    354,129.14/488,698.30 = 192,984.20/x
  3. Step 3: Cross multiply
    354,129.14x = 488,698.30 × 192,984.20
  4. Step 4: Simplify right side
    354,129.14x = 94,311,050,466.86
  5. Step 5: Solve for x
    x = 94,311,050,466.86/354,129.14
  6. Step 6: Final answer
    x = 266,318.24

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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.