Finding the Fourth Proportional to 77,267.68, 115,910.70 and 27,337.48
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Solution
The fourth proportional to 77,267.68, 115,910.70 and 27,337.48 is: 41,009.47
Step by Step Solution
- Step 1: Write the proportion equation
77,267.68 : 115,910.70 = 27,337.48 : x - Step 2: Convert to fraction form
77,267.68/115,910.70 = 27,337.48/x - Step 3: Cross multiply
77,267.68x = 115,910.70 × 27,337.48 - Step 4: Simplify right side
77,267.68x = 3,168,706,443.04 - Step 5: Solve for x
x = 3,168,706,443.04/77,267.68 - Step 6: Final answer
x = 41,009.47
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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.