Finding the Fourth Proportional to 746,663.20, 1,119,994.80 and 185,697.70
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Solution
The fourth proportional to 746,663.20, 1,119,994.80 and 185,697.70 is: 278,546.55
Step by Step Solution
- Step 1: Write the proportion equation
746,663.20 : 1,119,994.80 = 185,697.70 : x - Step 2: Convert to fraction form
746,663.20/1,119,994.80 = 185,697.70/x - Step 3: Cross multiply
746,663.20x = 1,119,994.80 × 185,697.70 - Step 4: Simplify right side
746,663.20x = 207,980,458,371.96 - Step 5: Solve for x
x = 207,980,458,371.96/746,663.20 - Step 6: Final answer
x = 278,546.55
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Similar ratio
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1.5x scale
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.