Home / 236,921.55-355,278.65-70,676.43

Finding the Fourth Proportional to 236,921.55, 355,278.65 and 70,676.43

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Solution

The fourth proportional to 236,921.55, 355,278.65 and 70,676.43 is: 105,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,921.55 : 355,278.65 = 70,676.43 : x
  2. Step 2: Convert to fraction form
    236,921.55/355,278.65 = 70,676.43/x
  3. Step 3: Cross multiply
    236,921.55x = 355,278.65 × 70,676.43
  4. Step 4: Simplify right side
    236,921.55x = 25,109,826,283.84
  5. Step 5: Solve for x
    x = 25,109,826,283.84/236,921.55
  6. Step 6: Final answer
    x = 105,983.72

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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.