Finding the Fourth Proportional to 482,486.40, 723,187.62 and 226,444.68
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Solution
The fourth proportional to 482,486.40, 723,187.62 and 226,444.68 is: 339,412.65
Step by Step Solution
- Step 1: Write the proportion equation
482,486.40 : 723,187.62 = 226,444.68 : x - Step 2: Convert to fraction form
482,486.40/723,187.62 = 226,444.68/x - Step 3: Cross multiply
482,486.40x = 723,187.62 × 226,444.68 - Step 4: Simplify right side
482,486.40x = 163,761,989,190.86 - Step 5: Solve for x
x = 163,761,989,190.86/482,486.40 - Step 6: Final answer
x = 339,412.65
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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.