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Finding the Fourth Proportional to 340,049.75, 510,075.02 and 126,814.41

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Solution

The fourth proportional to 340,049.75, 510,075.02 and 126,814.41 is: 190,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,049.75 : 510,075.02 = 126,814.41 : x
  2. Step 2: Convert to fraction form
    340,049.75/510,075.02 = 126,814.41/x
  3. Step 3: Cross multiply
    340,049.75x = 510,075.02 × 126,814.41
  4. Step 4: Simplify right side
    340,049.75x = 64,684,863,034.07
  5. Step 5: Solve for x
    x = 64,684,863,034.07/340,049.75
  6. Step 6: Final answer
    x = 190,221.77

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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.