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Finding the Fourth Proportional to 373,796.40, 560,824.20 and 163,585.20

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Solution

The fourth proportional to 373,796.40, 560,824.20 and 163,585.20 is: 245,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,796.40 : 560,824.20 = 163,585.20 : x
  2. Step 2: Convert to fraction form
    373,796.40/560,824.20 = 163,585.20/x
  3. Step 3: Cross multiply
    373,796.40x = 560,824.20 × 163,585.20
  4. Step 4: Simplify right side
    373,796.40x = 91,742,538,921.84
  5. Step 5: Solve for x
    x = 91,742,538,921.84/373,796.40
  6. Step 6: Final answer
    x = 245,434.52

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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.