Home / 385,518.32-532,055.04-222,180.56

Finding the Fourth Proportional to 385,518.32, 532,055.04 and 222,180.56

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Solution

The fourth proportional to 385,518.32, 532,055.04 and 222,180.56 is: 306,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,518.32 : 532,055.04 = 222,180.56 : x
  2. Step 2: Convert to fraction form
    385,518.32/532,055.04 = 222,180.56/x
  3. Step 3: Cross multiply
    385,518.32x = 532,055.04 × 222,180.56
  4. Step 4: Simplify right side
    385,518.32x = 118,212,286,738.02
  5. Step 5: Solve for x
    x = 118,212,286,738.02/385,518.32
  6. Step 6: Final answer
    x = 306,632.09

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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.