Finding the Fourth Proportional to 526,828.14, 790,246.80 and 127,469.31
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Solution
The fourth proportional to 526,828.14, 790,246.80 and 127,469.31 is: 191,205.08
Step by Step Solution
- Step 1: Write the proportion equation
526,828.14 : 790,246.80 = 127,469.31 : x - Step 2: Convert to fraction form
526,828.14/790,246.80 = 127,469.31/x - Step 3: Cross multiply
526,828.14x = 790,246.80 × 127,469.31 - Step 4: Simplify right side
526,828.14x = 100,732,214,325.71 - Step 5: Solve for x
x = 100,732,214,325.71/526,828.14 - Step 6: Final answer
x = 191,205.08
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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.