Home / 229,771.28-316,870.44-149,112.56

Finding the Fourth Proportional to 229,771.28, 316,870.44 and 149,112.56

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Solution

The fourth proportional to 229,771.28, 316,870.44 and 149,112.56 is: 205,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,771.28 : 316,870.44 = 149,112.56 : x
  2. Step 2: Convert to fraction form
    229,771.28/316,870.44 = 149,112.56/x
  3. Step 3: Cross multiply
    229,771.28x = 316,870.44 × 149,112.56
  4. Step 4: Simplify right side
    229,771.28x = 47,249,362,496.73
  5. Step 5: Solve for x
    x = 47,249,362,496.73/229,771.28
  6. Step 6: Final answer
    x = 205,636.50

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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.