Home / 242,578.20-364,083.30-142,613.40

Finding the Fourth Proportional to 242,578.20, 364,083.30 and 142,613.40

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Solution

The fourth proportional to 242,578.20, 364,083.30 and 142,613.40 is: 214,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,578.20 : 364,083.30 = 142,613.40 : x
  2. Step 2: Convert to fraction form
    242,578.20/364,083.30 = 142,613.40/x
  3. Step 3: Cross multiply
    242,578.20x = 364,083.30 × 142,613.40
  4. Step 4: Simplify right side
    242,578.20x = 51,923,157,296.22
  5. Step 5: Solve for x
    x = 51,923,157,296.22/242,578.20
  6. Step 6: Final answer
    x = 214,047.09

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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.