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Finding the Fourth Proportional to 217,651.77, 300,273.57 and 125,710.29

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Solution

The fourth proportional to 217,651.77, 300,273.57 and 125,710.29 is: 173,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,651.77 : 300,273.57 = 125,710.29 : x
  2. Step 2: Convert to fraction form
    217,651.77/300,273.57 = 125,710.29/x
  3. Step 3: Cross multiply
    217,651.77x = 300,273.57 × 125,710.29
  4. Step 4: Simplify right side
    217,651.77x = 37,747,477,564.04
  5. Step 5: Solve for x
    x = 37,747,477,564.04/217,651.77
  6. Step 6: Final answer
    x = 173,430.60

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1.5x scale

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.