Home / 266,289.66-367,236.29-208,154.07

Finding the Fourth Proportional to 266,289.66, 367,236.29 and 208,154.07

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Solution

The fourth proportional to 266,289.66, 367,236.29 and 208,154.07 is: 287,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,289.66 : 367,236.29 = 208,154.07 : x
  2. Step 2: Convert to fraction form
    266,289.66/367,236.29 = 208,154.07/x
  3. Step 3: Cross multiply
    266,289.66x = 367,236.29 × 208,154.07
  4. Step 4: Simplify right side
    266,289.66x = 76,441,728,935.59
  5. Step 5: Solve for x
    x = 76,441,728,935.59/266,289.66
  6. Step 6: Final answer
    x = 287,062.33

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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.