Home / 266,455.90-367,698.18-145,601.38

Finding the Fourth Proportional to 266,455.90, 367,698.18 and 145,601.38

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Solution

The fourth proportional to 266,455.90, 367,698.18 and 145,601.38 is: 200,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,455.90 : 367,698.18 = 145,601.38 : x
  2. Step 2: Convert to fraction form
    266,455.90/367,698.18 = 145,601.38/x
  3. Step 3: Cross multiply
    266,455.90x = 367,698.18 × 145,601.38
  4. Step 4: Simplify right side
    266,455.90x = 53,537,362,431.49
  5. Step 5: Solve for x
    x = 53,537,362,431.49/266,455.90
  6. Step 6: Final answer
    x = 200,923.91

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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.