Finding the Fourth Proportional to 442,832.60, 664,313.70 and 232,486.40
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Solution
The fourth proportional to 442,832.60, 664,313.70 and 232,486.40 is: 348,763.62
Step by Step Solution
- Step 1: Write the proportion equation
442,832.60 : 664,313.70 = 232,486.40 : x - Step 2: Convert to fraction form
442,832.60/664,313.70 = 232,486.40/x - Step 3: Cross multiply
442,832.60x = 664,313.70 × 232,486.40 - Step 4: Simplify right side
442,832.60x = 154,443,900,583.68 - Step 5: Solve for x
x = 154,443,900,583.68/442,832.60 - Step 6: Final answer
x = 348,763.62
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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.