Finding the Fourth Proportional to 305,122.84, 421,094.36 and 169,199.39
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Solution
The fourth proportional to 305,122.84, 421,094.36 and 169,199.39 is: 233,508.94
Step by Step Solution
- Step 1: Write the proportion equation
305,122.84 : 421,094.36 = 169,199.39 : x - Step 2: Convert to fraction form
305,122.84/421,094.36 = 169,199.39/x - Step 3: Cross multiply
305,122.84x = 421,094.36 × 169,199.39 - Step 4: Simplify right side
305,122.84x = 71,248,910,320.17 - Step 5: Solve for x
x = 71,248,910,320.17/305,122.84 - Step 6: Final answer
x = 233,508.94
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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.