Finding the Fourth Proportional to 746,629.20, 1,119,943.80 and 185,663.70
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Solution
The fourth proportional to 746,629.20, 1,119,943.80 and 185,663.70 is: 278,495.55
Step by Step Solution
- Step 1: Write the proportion equation
746,629.20 : 1,119,943.80 = 185,663.70 : x - Step 2: Convert to fraction form
746,629.20/1,119,943.80 = 185,663.70/x - Step 3: Cross multiply
746,629.20x = 1,119,943.80 × 185,663.70 - Step 4: Simplify right side
746,629.20x = 207,932,909,700.06 - Step 5: Solve for x
x = 207,932,909,700.06/746,629.20 - Step 6: Final answer
x = 278,495.55
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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.