Home / 220,351.95-330,528.04-145,454.59

Finding the Fourth Proportional to 220,351.95, 330,528.04 and 145,454.59

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Solution

The fourth proportional to 220,351.95, 330,528.04 and 145,454.59 is: 218,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,351.95 : 330,528.04 = 145,454.59 : x
  2. Step 2: Convert to fraction form
    220,351.95/330,528.04 = 145,454.59/x
  3. Step 3: Cross multiply
    220,351.95x = 330,528.04 × 145,454.59
  4. Step 4: Simplify right side
    220,351.95x = 48,076,820,409.41
  5. Step 5: Solve for x
    x = 48,076,820,409.41/220,351.95
  6. Step 6: Final answer
    x = 218,181.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.