Home / 242,579.20-364,084.80-142,614.40

Finding the Fourth Proportional to 242,579.20, 364,084.80 and 142,614.40

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Solution

The fourth proportional to 242,579.20, 364,084.80 and 142,614.40 is: 214,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,579.20 : 364,084.80 = 142,614.40 : x
  2. Step 2: Convert to fraction form
    242,579.20/364,084.80 = 142,614.40/x
  3. Step 3: Cross multiply
    242,579.20x = 364,084.80 × 142,614.40
  4. Step 4: Simplify right side
    242,579.20x = 51,923,735,301.12
  5. Step 5: Solve for x
    x = 51,923,735,301.12/242,579.20
  6. Step 6: Final answer
    x = 214,048.59

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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.