Finding the Fourth Proportional to 686,901.99, 1,030,236.35 and 181,468.47
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Solution
The fourth proportional to 686,901.99, 1,030,236.35 and 181,468.47 is: 272,171.89
Step by Step Solution
- Step 1: Write the proportion equation
686,901.99 : 1,030,236.35 = 181,468.47 : x - Step 2: Convert to fraction form
686,901.99/1,030,236.35 = 181,468.47/x - Step 3: Cross multiply
686,901.99x = 1,030,236.35 × 181,468.47 - Step 4: Simplify right side
686,901.99x = 186,955,413,265.54 - Step 5: Solve for x
x = 186,955,413,265.54/686,901.99 - Step 6: Final answer
x = 272,171.89
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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.