Home / 242,580.20-364,086.30-142,615.40

Finding the Fourth Proportional to 242,580.20, 364,086.30 and 142,615.40

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Solution

The fourth proportional to 242,580.20, 364,086.30 and 142,615.40 is: 214,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,580.20 : 364,086.30 = 142,615.40 : x
  2. Step 2: Convert to fraction form
    242,580.20/364,086.30 = 142,615.40/x
  3. Step 3: Cross multiply
    242,580.20x = 364,086.30 × 142,615.40
  4. Step 4: Simplify right side
    242,580.20x = 51,924,313,309.02
  5. Step 5: Solve for x
    x = 51,924,313,309.02/242,580.20
  6. Step 6: Final answer
    x = 214,050.09

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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.