Finding the Fourth Proportional to 194,386.60, 268,220.97 and 108,326.70
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Solution
The fourth proportional to 194,386.60, 268,220.97 and 108,326.70 is: 149,472.71
Step by Step Solution
- Step 1: Write the proportion equation
194,386.60 : 268,220.97 = 108,326.70 : x - Step 2: Convert to fraction form
194,386.60/268,220.97 = 108,326.70/x - Step 3: Cross multiply
194,386.60x = 268,220.97 × 108,326.70 - Step 4: Simplify right side
194,386.60x = 29,055,492,957.12 - Step 5: Solve for x
x = 29,055,492,957.12/194,386.60 - Step 6: Final answer
x = 149,472.71
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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.