Finding the Fourth Proportional to 156,789.24, 235,219.14 and 51,604.44
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Solution
The fourth proportional to 156,789.24, 235,219.14 and 51,604.44 is: 77,418.27
Step by Step Solution
- Step 1: Write the proportion equation
156,789.24 : 235,219.14 = 51,604.44 : x - Step 2: Convert to fraction form
156,789.24/235,219.14 = 51,604.44/x - Step 3: Cross multiply
156,789.24x = 235,219.14 × 51,604.44 - Step 4: Simplify right side
156,789.24x = 12,138,351,996.98 - Step 5: Solve for x
x = 12,138,351,996.98/156,789.24 - Step 6: Final answer
x = 77,418.27
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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.