Home / 615,227.41-922,984.63-210,422.75

Finding the Fourth Proportional to 615,227.41, 922,984.63 and 210,422.75

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Solution

The fourth proportional to 615,227.41, 922,984.63 and 210,422.75 is: 315,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,227.41 : 922,984.63 = 210,422.75 : x
  2. Step 2: Convert to fraction form
    615,227.41/922,984.63 = 210,422.75/x
  3. Step 3: Cross multiply
    615,227.41x = 922,984.63 × 210,422.75
  4. Step 4: Simplify right side
    615,227.41x = 194,216,965,833.74
  5. Step 5: Solve for x
    x = 194,216,965,833.74/615,227.41
  6. Step 6: Final answer
    x = 315,683.21

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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.