Home / 217,487.18-326,066.66-142,626.17

Finding the Fourth Proportional to 217,487.18, 326,066.66 and 142,626.17

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Solution

The fourth proportional to 217,487.18, 326,066.66 and 142,626.17 is: 213,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,487.18 : 326,066.66 = 142,626.17 : x
  2. Step 2: Convert to fraction form
    217,487.18/326,066.66 = 142,626.17/x
  3. Step 3: Cross multiply
    217,487.18x = 326,066.66 × 142,626.17
  4. Step 4: Simplify right side
    217,487.18x = 46,505,638,485.52
  5. Step 5: Solve for x
    x = 46,505,638,485.52/217,487.18
  6. Step 6: Final answer
    x = 213,831.63

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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.