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Finding the Fourth Proportional to 333,633.60, 500,453.64 and 266,907.96

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Solution

The fourth proportional to 333,633.60, 500,453.64 and 266,907.96 is: 400,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,633.60 : 500,453.64 = 266,907.96 : x
  2. Step 2: Convert to fraction form
    333,633.60/500,453.64 = 266,907.96/x
  3. Step 3: Cross multiply
    333,633.60x = 500,453.64 × 266,907.96
  4. Step 4: Simplify right side
    333,633.60x = 133,575,060,126.97
  5. Step 5: Solve for x
    x = 133,575,060,126.97/333,633.60
  6. Step 6: Final answer
    x = 400,364.53

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1.5x scale

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.