Home / 330,252.96-455,865.36-196,116

Finding the Fourth Proportional to 330,252.96, 455,865.36 and 196,116

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Solution

The fourth proportional to 330,252.96, 455,865.36 and 196,116 is: 270,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,252.96 : 455,865.36 = 196,116 : x
  2. Step 2: Convert to fraction form
    330,252.96/455,865.36 = 196,116/x
  3. Step 3: Cross multiply
    330,252.96x = 455,865.36 × 196,116
  4. Step 4: Simplify right side
    330,252.96x = 89,402,490,941.76
  5. Step 5: Solve for x
    x = 89,402,490,941.76/330,252.96
  6. Step 6: Final answer
    x = 270,709.13

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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.