Finding the Fourth Proportional to 427,857.18, 590,420.41 and 234,227.79
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Solution
The fourth proportional to 427,857.18, 590,420.41 and 234,227.79 is: 323,222.03
Step by Step Solution
- Step 1: Write the proportion equation
427,857.18 : 590,420.41 = 234,227.79 : x - Step 2: Convert to fraction form
427,857.18/590,420.41 = 234,227.79/x - Step 3: Cross multiply
427,857.18x = 590,420.41 × 234,227.79 - Step 4: Simplify right side
427,857.18x = 138,292,867,805.19 - Step 5: Solve for x
x = 138,292,867,805.19/427,857.18 - Step 6: Final answer
x = 323,222.03
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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.