Finding the Fourth Proportional to 79,270.28, 118,917.70 and 26,675.66
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Solution
The fourth proportional to 79,270.28, 118,917.70 and 26,675.66 is: 40,017.62
Step by Step Solution
- Step 1: Write the proportion equation
79,270.28 : 118,917.70 = 26,675.66 : x - Step 2: Convert to fraction form
79,270.28/118,917.70 = 26,675.66/x - Step 3: Cross multiply
79,270.28x = 118,917.70 × 26,675.66 - Step 4: Simplify right side
79,270.28x = 3,172,208,133.18 - Step 5: Solve for x
x = 3,172,208,133.18/79,270.28 - Step 6: Final answer
x = 40,017.62
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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.