Home / 354,085.40-488,631.52-192,941.84

Finding the Fourth Proportional to 354,085.40, 488,631.52 and 192,941.84

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Solution

The fourth proportional to 354,085.40, 488,631.52 and 192,941.84 is: 266,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,085.40 : 488,631.52 = 192,941.84 : x
  2. Step 2: Convert to fraction form
    354,085.40/488,631.52 = 192,941.84/x
  3. Step 3: Cross multiply
    354,085.40x = 488,631.52 × 192,941.84
  4. Step 4: Simplify right side
    354,085.40x = 94,277,464,550.80
  5. Step 5: Solve for x
    x = 94,277,464,550.80/354,085.40
  6. Step 6: Final answer
    x = 266,256.29

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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.