Home / 385,497.07-532,041.60-222,122.28

Finding the Fourth Proportional to 385,497.07, 532,041.60 and 222,122.28

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Solution

The fourth proportional to 385,497.07, 532,041.60 and 222,122.28 is: 306,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,497.07 : 532,041.60 = 222,122.28 : x
  2. Step 2: Convert to fraction form
    385,497.07/532,041.60 = 222,122.28/x
  3. Step 3: Cross multiply
    385,497.07x = 532,041.60 × 222,122.28
  4. Step 4: Simplify right side
    385,497.07x = 118,178,293,246.85
  5. Step 5: Solve for x
    x = 118,178,293,246.85/385,497.07
  6. Step 6: Final answer
    x = 306,560.81

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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.