Finding the Fourth Proportional to 578,689.79, 868,028.21 and 204,625.31
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Solution
The fourth proportional to 578,689.79, 868,028.21 and 204,625.31 is: 306,935.67
Step by Step Solution
- Step 1: Write the proportion equation
578,689.79 : 868,028.21 = 204,625.31 : x - Step 2: Convert to fraction form
578,689.79/868,028.21 = 204,625.31/x - Step 3: Cross multiply
578,689.79x = 868,028.21 × 204,625.31 - Step 4: Simplify right side
578,689.79x = 177,620,540,536.87 - Step 5: Solve for x
x = 177,620,540,536.87/578,689.79 - Step 6: Final answer
x = 306,935.67
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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.