Finding the Fourth Proportional to 451,808.10, 623,492.64 and 247,853.79
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Solution
The fourth proportional to 451,808.10, 623,492.64 and 247,853.79 is: 342,036.84
Step by Step Solution
- Step 1: Write the proportion equation
451,808.10 : 623,492.64 = 247,853.79 : x - Step 2: Convert to fraction form
451,808.10/623,492.64 = 247,853.79/x - Step 3: Cross multiply
451,808.10x = 623,492.64 × 247,853.79 - Step 4: Simplify right side
451,808.10x = 154,535,013,861.11 - Step 5: Solve for x
x = 154,535,013,861.11/451,808.10 - Step 6: Final answer
x = 342,036.84
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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.