Home / 329,914.40-494,543.55-152,111.30

Finding the Fourth Proportional to 329,914.40, 494,543.55 and 152,111.30

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Solution

The fourth proportional to 329,914.40, 494,543.55 and 152,111.30 is: 228,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,914.40 : 494,543.55 = 152,111.30 : x
  2. Step 2: Convert to fraction form
    329,914.40/494,543.55 = 152,111.30/x
  3. Step 3: Cross multiply
    329,914.40x = 494,543.55 × 152,111.30
  4. Step 4: Simplify right side
    329,914.40x = 75,225,662,297.12
  5. Step 5: Solve for x
    x = 75,225,662,297.12/329,914.40
  6. Step 6: Final answer
    x = 228,015.70

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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.