Finding the Fourth Proportional to 681,449.19, 940,406.10 and 375,536.54
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Solution
The fourth proportional to 681,449.19, 940,406.10 and 375,536.54 is: 518,243.84
Step by Step Solution
- Step 1: Write the proportion equation
681,449.19 : 940,406.10 = 375,536.54 : x - Step 2: Convert to fraction form
681,449.19/940,406.10 = 375,536.54/x - Step 3: Cross multiply
681,449.19x = 940,406.10 × 375,536.54 - Step 4: Simplify right side
681,449.19x = 353,156,846,409.18 - Step 5: Solve for x
x = 353,156,846,409.18/681,449.19 - Step 6: Final answer
x = 518,243.84
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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.