Finding the Fourth Proportional to 212,838.84, 293,719.80 and 117,348.95
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Solution
The fourth proportional to 212,838.84, 293,719.80 and 117,348.95 is: 161,942.77
Step by Step Solution
- Step 1: Write the proportion equation
212,838.84 : 293,719.80 = 117,348.95 : x - Step 2: Convert to fraction form
212,838.84/293,719.80 = 117,348.95/x - Step 3: Cross multiply
212,838.84x = 293,719.80 × 117,348.95 - Step 4: Simplify right side
212,838.84x = 34,467,710,308.44 - Step 5: Solve for x
x = 34,467,710,308.44/212,838.84 - Step 6: Final answer
x = 161,942.77
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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.