Home / 266,208.14-399,313.24-66,528.74

Finding the Fourth Proportional to 266,208.14, 399,313.24 and 66,528.74

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Solution

The fourth proportional to 266,208.14, 399,313.24 and 66,528.74 is: 99,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,208.14 : 399,313.24 = 66,528.74 : x
  2. Step 2: Convert to fraction form
    266,208.14/399,313.24 = 66,528.74/x
  3. Step 3: Cross multiply
    266,208.14x = 399,313.24 × 66,528.74
  4. Step 4: Simplify right side
    266,208.14x = 26,565,804,393.31
  5. Step 5: Solve for x
    x = 26,565,804,393.31/266,208.14
  6. Step 6: Final answer
    x = 99,793.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.