Finding the Fourth Proportional to 144,402.68, 199,279.98 and 79,873.88
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Solution
The fourth proportional to 144,402.68, 199,279.98 and 79,873.88 is: 110,228.32
Step by Step Solution
- Step 1: Write the proportion equation
144,402.68 : 199,279.98 = 79,873.88 : x - Step 2: Convert to fraction form
144,402.68/199,279.98 = 79,873.88/x - Step 3: Cross multiply
144,402.68x = 199,279.98 × 79,873.88 - Step 4: Simplify right side
144,402.68x = 15,917,265,208.92 - Step 5: Solve for x
x = 15,917,265,208.92/144,402.68 - Step 6: Final answer
x = 110,228.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.