Finding the Fourth Proportional to 378,341.18, 566,272.34 and 207,302.06
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Solution
The fourth proportional to 378,341.18, 566,272.34 and 207,302.06 is: 310,273.97
Step by Step Solution
- Step 1: Write the proportion equation
378,341.18 : 566,272.34 = 207,302.06 : x - Step 2: Convert to fraction form
378,341.18/566,272.34 = 207,302.06/x - Step 3: Cross multiply
378,341.18x = 566,272.34 × 207,302.06 - Step 4: Simplify right side
378,341.18x = 117,389,418,735.15 - Step 5: Solve for x
x = 117,389,418,735.15/378,341.18 - Step 6: Final answer
x = 310,273.97
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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.