Home / 266,427.81-367,675.67-145,576.56

Finding the Fourth Proportional to 266,427.81, 367,675.67 and 145,576.56

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Solution

The fourth proportional to 266,427.81, 367,675.67 and 145,576.56 is: 200,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,427.81 : 367,675.67 = 145,576.56 : x
  2. Step 2: Convert to fraction form
    266,427.81/367,675.67 = 145,576.56/x
  3. Step 3: Cross multiply
    266,427.81x = 367,675.67 × 145,576.56
  4. Step 4: Simplify right side
    266,427.81x = 53,524,960,977.02
  5. Step 5: Solve for x
    x = 53,524,960,977.02/266,427.81
  6. Step 6: Final answer
    x = 200,898.55

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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.