Finding the Fourth Proportional to 148,838.09, 205,393.10 and 80,853.53
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Solution
The fourth proportional to 148,838.09, 205,393.10 and 80,853.53 is: 111,575.98
Step by Step Solution
- Step 1: Write the proportion equation
148,838.09 : 205,393.10 = 80,853.53 : x - Step 2: Convert to fraction form
148,838.09/205,393.10 = 80,853.53/x - Step 3: Cross multiply
148,838.09x = 205,393.10 × 80,853.53 - Step 4: Simplify right side
148,838.09x = 16,606,755,741.41 - Step 5: Solve for x
x = 16,606,755,741.41/148,838.09 - Step 6: Final answer
x = 111,575.98
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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.