Home / 212,906.22-293,467.89-155,454.45

Finding the Fourth Proportional to 212,906.22, 293,467.89 and 155,454.45

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Solution

The fourth proportional to 212,906.22, 293,467.89 and 155,454.45 is: 214,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,906.22 : 293,467.89 = 155,454.45 : x
  2. Step 2: Convert to fraction form
    212,906.22/293,467.89 = 155,454.45/x
  3. Step 3: Cross multiply
    212,906.22x = 293,467.89 × 155,454.45
  4. Step 4: Simplify right side
    212,906.22x = 45,620,889,432.61
  5. Step 5: Solve for x
    x = 45,620,889,432.61/212,906.22
  6. Step 6: Final answer
    x = 214,276.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.