Home / 261,427.08-360,846.64-154,031.81

Finding the Fourth Proportional to 261,427.08, 360,846.64 and 154,031.81

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Solution

The fourth proportional to 261,427.08, 360,846.64 and 154,031.81 is: 212,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,427.08 : 360,846.64 = 154,031.81 : x
  2. Step 2: Convert to fraction form
    261,427.08/360,846.64 = 154,031.81/x
  3. Step 3: Cross multiply
    261,427.08x = 360,846.64 × 154,031.81
  4. Step 4: Simplify right side
    261,427.08x = 55,581,861,091.62
  5. Step 5: Solve for x
    x = 55,581,861,091.62/261,427.08
  6. Step 6: Final answer
    x = 212,609.42

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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.