Home / 354,055.20-488,590.04-192,911.56

Finding the Fourth Proportional to 354,055.20, 488,590.04 and 192,911.56

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Solution

The fourth proportional to 354,055.20, 488,590.04 and 192,911.56 is: 266,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,055.20 : 488,590.04 = 192,911.56 : x
  2. Step 2: Convert to fraction form
    354,055.20/488,590.04 = 192,911.56/x
  3. Step 3: Cross multiply
    354,055.20x = 488,590.04 × 192,911.56
  4. Step 4: Simplify right side
    354,055.20x = 94,254,666,816.86
  5. Step 5: Solve for x
    x = 94,254,666,816.86/354,055.20
  6. Step 6: Final answer
    x = 266,214.61

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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.