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Finding the Fourth Proportional to 219,362.28, 302,720.28 and 118,760.28

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Solution

The fourth proportional to 219,362.28, 302,720.28 and 118,760.28 is: 163,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,362.28 : 302,720.28 = 118,760.28 : x
  2. Step 2: Convert to fraction form
    219,362.28/302,720.28 = 118,760.28/x
  3. Step 3: Cross multiply
    219,362.28x = 302,720.28 × 118,760.28
  4. Step 4: Simplify right side
    219,362.28x = 35,951,145,214.48
  5. Step 5: Solve for x
    x = 35,951,145,214.48/219,362.28
  6. Step 6: Final answer
    x = 163,889.37

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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.