Finding the Fourth Proportional to 636,043.30, 954,186.45 and 209,701.96
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Solution
The fourth proportional to 636,043.30, 954,186.45 and 209,701.96 is: 314,592.99
Step by Step Solution
- Step 1: Write the proportion equation
636,043.30 : 954,186.45 = 209,701.96 : x - Step 2: Convert to fraction form
636,043.30/954,186.45 = 209,701.96/x - Step 3: Cross multiply
636,043.30x = 954,186.45 × 209,701.96 - Step 4: Simplify right side
636,043.30x = 200,094,762,951.00 - Step 5: Solve for x
x = 200,094,762,951.00/636,043.30 - Step 6: Final answer
x = 314,592.99
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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.