Finding the Fourth Proportional to 112,994.97, 169,374.17 and 38,089.22
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Solution
The fourth proportional to 112,994.97, 169,374.17 and 38,089.22 is: 57,093.95
Step by Step Solution
- Step 1: Write the proportion equation
112,994.97 : 169,374.17 = 38,089.22 : x - Step 2: Convert to fraction form
112,994.97/169,374.17 = 38,089.22/x - Step 3: Cross multiply
112,994.97x = 169,374.17 × 38,089.22 - Step 4: Simplify right side
112,994.97x = 6,451,328,986.13 - Step 5: Solve for x
x = 6,451,328,986.13/112,994.97 - Step 6: Final answer
x = 57,093.95
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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.