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Finding the Fourth Proportional to 144,612.36, 216,867.74 and 43,380.23

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Solution

The fourth proportional to 144,612.36, 216,867.74 and 43,380.23 is: 65,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,612.36 : 216,867.74 = 43,380.23 : x
  2. Step 2: Convert to fraction form
    144,612.36/216,867.74 = 43,380.23/x
  3. Step 3: Cross multiply
    144,612.36x = 216,867.74 × 43,380.23
  4. Step 4: Simplify right side
    144,612.36x = 9,407,772,440.78
  5. Step 5: Solve for x
    x = 9,407,772,440.78/144,612.36
  6. Step 6: Final answer
    x = 65,055.11

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1.5x scale

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.