Home / 262,011.08-361,576.60-153,121.76

Finding the Fourth Proportional to 262,011.08, 361,576.60 and 153,121.76

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Solution

The fourth proportional to 262,011.08, 361,576.60 and 153,121.76 is: 211,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,011.08 : 361,576.60 = 153,121.76 : x
  2. Step 2: Convert to fraction form
    262,011.08/361,576.60 = 153,121.76/x
  3. Step 3: Cross multiply
    262,011.08x = 361,576.60 × 153,121.76
  4. Step 4: Simplify right side
    262,011.08x = 55,365,245,366.82
  5. Step 5: Solve for x
    x = 55,365,245,366.82/262,011.08
  6. Step 6: Final answer
    x = 211,308.79

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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.