Home / 330,045.50-494,988.97-152,381.81

Finding the Fourth Proportional to 330,045.50, 494,988.97 and 152,381.81

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Solution

The fourth proportional to 330,045.50, 494,988.97 and 152,381.81 is: 228,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,045.50 : 494,988.97 = 152,381.81 : x
  2. Step 2: Convert to fraction form
    330,045.50/494,988.97 = 152,381.81/x
  3. Step 3: Cross multiply
    330,045.50x = 494,988.97 × 152,381.81
  4. Step 4: Simplify right side
    330,045.50x = 75,427,315,178.64
  5. Step 5: Solve for x
    x = 75,427,315,178.64/330,045.50
  6. Step 6: Final answer
    x = 228,536.11

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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.