Home / 247,918.20-372,266.10-142,942.20

Finding the Fourth Proportional to 247,918.20, 372,266.10 and 142,942.20

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Solution

The fourth proportional to 247,918.20, 372,266.10 and 142,942.20 is: 214,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,918.20 : 372,266.10 = 142,942.20 : x
  2. Step 2: Convert to fraction form
    247,918.20/372,266.10 = 142,942.20/x
  3. Step 3: Cross multiply
    247,918.20x = 372,266.10 × 142,942.20
  4. Step 4: Simplify right side
    247,918.20x = 53,212,535,319.42
  5. Step 5: Solve for x
    x = 53,212,535,319.42/247,918.20
  6. Step 6: Final answer
    x = 214,637.47

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1.5x scale

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.