Home / 212,280.22-292,967.42-158,471.79

Finding the Fourth Proportional to 212,280.22, 292,967.42 and 158,471.79

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Solution

The fourth proportional to 212,280.22, 292,967.42 and 158,471.79 is: 218,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,280.22 : 292,967.42 = 158,471.79 : x
  2. Step 2: Convert to fraction form
    212,280.22/292,967.42 = 158,471.79/x
  3. Step 3: Cross multiply
    212,280.22x = 292,967.42 × 158,471.79
  4. Step 4: Simplify right side
    212,280.22x = 46,427,071,459.08
  5. Step 5: Solve for x
    x = 46,427,071,459.08/212,280.22
  6. Step 6: Final answer
    x = 218,706.54

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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.