Finding the Fourth Proportional to 194,707.29, 268,817.70 and 149,298.03
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Solution
The fourth proportional to 194,707.29, 268,817.70 and 149,298.03 is: 206,124.55
Step by Step Solution
- Step 1: Write the proportion equation
194,707.29 : 268,817.70 = 149,298.03 : x - Step 2: Convert to fraction form
194,707.29/268,817.70 = 149,298.03/x - Step 3: Cross multiply
194,707.29x = 268,817.70 × 149,298.03 - Step 4: Simplify right side
194,707.29x = 40,133,953,039.13 - Step 5: Solve for x
x = 40,133,953,039.13/194,707.29 - Step 6: Final answer
x = 206,124.55
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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.