Finding the Fourth Proportional to 156,979.10, 235,463.34 and 68,232.62
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Solution
The fourth proportional to 156,979.10, 235,463.34 and 68,232.62 is: 102,346.62
Step by Step Solution
- Step 1: Write the proportion equation
156,979.10 : 235,463.34 = 68,232.62 : x - Step 2: Convert to fraction form
156,979.10/235,463.34 = 68,232.62/x - Step 3: Cross multiply
156,979.10x = 235,463.34 × 68,232.62 - Step 4: Simplify right side
156,979.10x = 16,066,280,602.15 - Step 5: Solve for x
x = 16,066,280,602.15/156,979.10 - Step 6: Final answer
x = 102,346.62
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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.