Finding the Fourth Proportional to 343,862.44, 515,734.62 and 91,145.32
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Solution
The fourth proportional to 343,862.44, 515,734.62 and 91,145.32 is: 136,702.33
Step by Step Solution
- Step 1: Write the proportion equation
343,862.44 : 515,734.62 = 91,145.32 : x - Step 2: Convert to fraction form
343,862.44/515,734.62 = 91,145.32/x - Step 3: Cross multiply
343,862.44x = 515,734.62 × 91,145.32 - Step 4: Simplify right side
343,862.44x = 47,006,796,974.98 - Step 5: Solve for x
x = 47,006,796,974.98/343,862.44 - Step 6: Final answer
x = 136,702.33
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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.