Home / 266,428.14-367,666.47-145,566.82

Finding the Fourth Proportional to 266,428.14, 367,666.47 and 145,566.82

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Solution

The fourth proportional to 266,428.14, 367,666.47 and 145,566.82 is: 200,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,428.14 : 367,666.47 = 145,566.82 : x
  2. Step 2: Convert to fraction form
    266,428.14/367,666.47 = 145,566.82/x
  3. Step 3: Cross multiply
    266,428.14x = 367,666.47 × 145,566.82
  4. Step 4: Simplify right side
    266,428.14x = 53,520,039,318.11
  5. Step 5: Solve for x
    x = 53,520,039,318.11/266,428.14
  6. Step 6: Final answer
    x = 200,879.83

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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.