Home / 329,837.55-494,920.35-130,164.45

Finding the Fourth Proportional to 329,837.55, 494,920.35 and 130,164.45

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Solution

The fourth proportional to 329,837.55, 494,920.35 and 130,164.45 is: 195,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,837.55 : 494,920.35 = 130,164.45 : x
  2. Step 2: Convert to fraction form
    329,837.55/494,920.35 = 130,164.45/x
  3. Step 3: Cross multiply
    329,837.55x = 494,920.35 × 130,164.45
  4. Step 4: Simplify right side
    329,837.55x = 64,421,035,151.56
  5. Step 5: Solve for x
    x = 64,421,035,151.56/329,837.55
  6. Step 6: Final answer
    x = 195,311.40

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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.