Finding the Fourth Proportional to 305,484.18, 421,557.14 and 169,524.06
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Solution
The fourth proportional to 305,484.18, 421,557.14 and 169,524.06 is: 233,937.08
Step by Step Solution
- Step 1: Write the proportion equation
305,484.18 : 421,557.14 = 169,524.06 : x - Step 2: Convert to fraction form
305,484.18/421,557.14 = 169,524.06/x - Step 3: Cross multiply
305,484.18x = 421,557.14 × 169,524.06 - Step 4: Simplify right side
305,484.18x = 71,464,077,894.79 - Step 5: Solve for x
x = 71,464,077,894.79/305,484.18 - Step 6: Final answer
x = 233,937.08
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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.