Finding the Fourth Proportional to 156,653.08, 234,979.62 and 45,845.08
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Solution
The fourth proportional to 156,653.08, 234,979.62 and 45,845.08 is: 68,767.62
Step by Step Solution
- Step 1: Write the proportion equation
156,653.08 : 234,979.62 = 45,845.08 : x - Step 2: Convert to fraction form
156,653.08/234,979.62 = 45,845.08/x - Step 3: Cross multiply
156,653.08x = 234,979.62 × 45,845.08 - Step 4: Simplify right side
156,653.08x = 10,772,659,477.27 - Step 5: Solve for x
x = 10,772,659,477.27/156,653.08 - Step 6: Final answer
x = 68,767.62
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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.