Home / 266,302.02-399,516.46-76,759.34

Finding the Fourth Proportional to 266,302.02, 399,516.46 and 76,759.34

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Solution

The fourth proportional to 266,302.02, 399,516.46 and 76,759.34 is: 115,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,302.02 : 399,516.46 = 76,759.34 : x
  2. Step 2: Convert to fraction form
    266,302.02/399,516.46 = 76,759.34/x
  3. Step 3: Cross multiply
    266,302.02x = 399,516.46 × 76,759.34
  4. Step 4: Simplify right side
    266,302.02x = 30,666,621,126.56
  5. Step 5: Solve for x
    x = 30,666,621,126.56/266,302.02
  6. Step 6: Final answer
    x = 115,157.30

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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.