Home / 379,651.20-569,634-166,308.90

Finding the Fourth Proportional to 379,651.20, 569,634 and 166,308.90

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Solution

The fourth proportional to 379,651.20, 569,634 and 166,308.90 is: 249,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,651.20 : 569,634 = 166,308.90 : x
  2. Step 2: Convert to fraction form
    379,651.20/569,634 = 166,308.90/x
  3. Step 3: Cross multiply
    379,651.20x = 569,634 × 166,308.90
  4. Step 4: Simplify right side
    379,651.20x = 94,735,203,942.60
  5. Step 5: Solve for x
    x = 94,735,203,942.60/379,651.20
  6. Step 6: Final answer
    x = 249,532.21

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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.