Finding the Fourth Proportional to 186,271.94, 256,979.85 and 113,637.62
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Solution
The fourth proportional to 186,271.94, 256,979.85 and 113,637.62 is: 156,773.90
Step by Step Solution
- Step 1: Write the proportion equation
186,271.94 : 256,979.85 = 113,637.62 : x - Step 2: Convert to fraction form
186,271.94/256,979.85 = 113,637.62/x - Step 3: Cross multiply
186,271.94x = 256,979.85 × 113,637.62 - Step 4: Simplify right side
186,271.94x = 29,202,578,541.96 - Step 5: Solve for x
x = 29,202,578,541.96/186,271.94 - Step 6: Final answer
x = 156,773.90
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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.