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Finding the Fourth Proportional to 218,744.28, 301,867.08 and 118,142.28

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Solution

The fourth proportional to 218,744.28, 301,867.08 and 118,142.28 is: 163,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,744.28 : 301,867.08 = 118,142.28 : x
  2. Step 2: Convert to fraction form
    218,744.28/301,867.08 = 118,142.28/x
  3. Step 3: Cross multiply
    218,744.28x = 301,867.08 × 118,142.28
  4. Step 4: Simplify right side
    218,744.28x = 35,663,265,088.14
  5. Step 5: Solve for x
    x = 35,663,265,088.14/218,744.28
  6. Step 6: Final answer
    x = 163,036.33

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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.