Home / 330,372.32-455,875.12-194,376.35

Finding the Fourth Proportional to 330,372.32, 455,875.12 and 194,376.35

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Solution

The fourth proportional to 330,372.32, 455,875.12 and 194,376.35 is: 268,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,372.32 : 455,875.12 = 194,376.35 : x
  2. Step 2: Convert to fraction form
    330,372.32/455,875.12 = 194,376.35/x
  3. Step 3: Cross multiply
    330,372.32x = 455,875.12 × 194,376.35
  4. Step 4: Simplify right side
    330,372.32x = 88,611,340,909.53
  5. Step 5: Solve for x
    x = 88,611,340,909.53/330,372.32
  6. Step 6: Final answer
    x = 268,216.61

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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.