Finding the Fourth Proportional to 442,212.20, 610,254.84 and 251,236.06
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Solution
The fourth proportional to 442,212.20, 610,254.84 and 251,236.06 is: 346,706.90
Step by Step Solution
- Step 1: Write the proportion equation
442,212.20 : 610,254.84 = 251,236.06 : x - Step 2: Convert to fraction form
442,212.20/610,254.84 = 251,236.06/x - Step 3: Cross multiply
442,212.20x = 610,254.84 × 251,236.06 - Step 4: Simplify right side
442,212.20x = 153,318,021,597.53 - Step 5: Solve for x
x = 153,318,021,597.53/442,212.20 - Step 6: Final answer
x = 346,706.90
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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.