Finding the Fourth Proportional to 78,917.41, 118,393.61 and 22,753.14
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Solution
The fourth proportional to 78,917.41, 118,393.61 and 22,753.14 is: 34,134.75
Step by Step Solution
- Step 1: Write the proportion equation
78,917.41 : 118,393.61 = 22,753.14 : x - Step 2: Convert to fraction form
78,917.41/118,393.61 = 22,753.14/x - Step 3: Cross multiply
78,917.41x = 118,393.61 × 22,753.14 - Step 4: Simplify right side
78,917.41x = 2,693,825,677.70 - Step 5: Solve for x
x = 2,693,825,677.70/78,917.41 - Step 6: Final answer
x = 34,134.75
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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.