Finding the Fourth Proportional to 326,774.40, 450,816.42 and 205,702.08
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Solution
The fourth proportional to 326,774.40, 450,816.42 and 205,702.08 is: 283,785.62
Step by Step Solution
- Step 1: Write the proportion equation
326,774.40 : 450,816.42 = 205,702.08 : x - Step 2: Convert to fraction form
326,774.40/450,816.42 = 205,702.08/x - Step 3: Cross multiply
326,774.40x = 450,816.42 × 205,702.08 - Step 4: Simplify right side
326,774.40x = 92,733,875,292.15 - Step 5: Solve for x
x = 92,733,875,292.15/326,774.40 - Step 6: Final answer
x = 283,785.62
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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.