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Finding the Fourth Proportional to 615,133.90, 922,693.02 and 210,322.02

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Solution

The fourth proportional to 615,133.90, 922,693.02 and 210,322.02 is: 315,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,133.90 : 922,693.02 = 210,322.02 : x
  2. Step 2: Convert to fraction form
    615,133.90/922,693.02 = 210,322.02/x
  3. Step 3: Cross multiply
    615,133.90x = 922,693.02 × 210,322.02
  4. Step 4: Simplify right side
    615,133.90x = 194,062,659,806.30
  5. Step 5: Solve for x
    x = 194,062,659,806.30/615,133.90
  6. Step 6: Final answer
    x = 315,480.35

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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.