Home / 367,440.81-550,946.70-142,538.45

Finding the Fourth Proportional to 367,440.81, 550,946.70 and 142,538.45

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Solution

The fourth proportional to 367,440.81, 550,946.70 and 142,538.45 is: 213,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,440.81 : 550,946.70 = 142,538.45 : x
  2. Step 2: Convert to fraction form
    367,440.81/550,946.70 = 142,538.45/x
  3. Step 3: Cross multiply
    367,440.81x = 550,946.70 × 142,538.45
  4. Step 4: Simplify right side
    367,440.81x = 78,531,085,183.19
  5. Step 5: Solve for x
    x = 78,531,085,183.19/367,440.81
  6. Step 6: Final answer
    x = 213,724.45

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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.