Finding the Fourth Proportional to 746,623.09, 1,119,939.09 and 185,657.59
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Solution
The fourth proportional to 746,623.09, 1,119,939.09 and 185,657.59 is: 278,487.49
Step by Step Solution
- Step 1: Write the proportion equation
746,623.09 : 1,119,939.09 = 185,657.59 : x - Step 2: Convert to fraction form
746,623.09/1,119,939.09 = 185,657.59/x - Step 3: Cross multiply
746,623.09x = 1,119,939.09 × 185,657.59 - Step 4: Simplify right side
746,623.09x = 207,925,192,396.19 - Step 5: Solve for x
x = 207,925,192,396.19/746,623.09 - Step 6: Final answer
x = 278,487.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.