Home / 354,122.70-488,688.55-192,977.35

Finding the Fourth Proportional to 354,122.70, 488,688.55 and 192,977.35

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Solution

The fourth proportional to 354,122.70, 488,688.55 and 192,977.35 is: 266,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,122.70 : 488,688.55 = 192,977.35 : x
  2. Step 2: Convert to fraction form
    354,122.70/488,688.55 = 192,977.35/x
  3. Step 3: Cross multiply
    354,122.70x = 488,688.55 × 192,977.35
  4. Step 4: Simplify right side
    354,122.70x = 94,305,821,354.34
  5. Step 5: Solve for x
    x = 94,305,821,354.34/354,122.70
  6. Step 6: Final answer
    x = 266,308.32

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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.