Finding the Fourth Proportional to 419,282.73, 578,605.14 and 228,296.07
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Solution
The fourth proportional to 419,282.73, 578,605.14 and 228,296.07 is: 315,045.84
Step by Step Solution
- Step 1: Write the proportion equation
419,282.73 : 578,605.14 = 228,296.07 : x - Step 2: Convert to fraction form
419,282.73/578,605.14 = 228,296.07/x - Step 3: Cross multiply
419,282.73x = 578,605.14 × 228,296.07 - Step 4: Simplify right side
419,282.73x = 132,093,279,543.80 - Step 5: Solve for x
x = 132,093,279,543.80/419,282.73 - Step 6: Final answer
x = 315,045.84
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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.