Finding the Fourth Proportional to 857,943.73, 1,286,922.93 and 218,248.02
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Solution
The fourth proportional to 857,943.73, 1,286,922.93 and 218,248.02 is: 327,373.90
Step by Step Solution
- Step 1: Write the proportion equation
857,943.73 : 1,286,922.93 = 218,248.02 : x - Step 2: Convert to fraction form
857,943.73/1,286,922.93 = 218,248.02/x - Step 3: Cross multiply
857,943.73x = 1,286,922.93 × 218,248.02 - Step 4: Simplify right side
857,943.73x = 280,868,381,365.10 - Step 5: Solve for x
x = 280,868,381,365.10/857,943.73 - Step 6: Final answer
x = 327,373.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.