Home / 330,837.84-456,409.80-203,438.16

Finding the Fourth Proportional to 330,837.84, 456,409.80 and 203,438.16

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Solution

The fourth proportional to 330,837.84, 456,409.80 and 203,438.16 is: 280,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,837.84 : 456,409.80 = 203,438.16 : x
  2. Step 2: Convert to fraction form
    330,837.84/456,409.80 = 203,438.16/x
  3. Step 3: Cross multiply
    330,837.84x = 456,409.80 × 203,438.16
  4. Step 4: Simplify right side
    330,837.84x = 92,851,169,917.97
  5. Step 5: Solve for x
    x = 92,851,169,917.97/330,837.84
  6. Step 6: Final answer
    x = 280,654.62

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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.