Finding the Fourth Proportional to 664,356.30, 996,340.05 and 237,842.70
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Solution
The fourth proportional to 664,356.30, 996,340.05 and 237,842.70 is: 356,694.45
Step by Step Solution
- Step 1: Write the proportion equation
664,356.30 : 996,340.05 = 237,842.70 : x - Step 2: Convert to fraction form
664,356.30/996,340.05 = 237,842.70/x - Step 3: Cross multiply
664,356.30x = 996,340.05 × 237,842.70 - Step 4: Simplify right side
664,356.30x = 236,972,207,610.14 - Step 5: Solve for x
x = 236,972,207,610.14/664,356.30 - Step 6: Final answer
x = 356,694.45
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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.