Finding the Fourth Proportional to 889,377.18, 1,334,060.98 and 215,458.14
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Solution
The fourth proportional to 889,377.18, 1,334,060.98 and 215,458.14 is: 323,186.05
Step by Step Solution
- Step 1: Write the proportion equation
889,377.18 : 1,334,060.98 = 215,458.14 : x - Step 2: Convert to fraction form
889,377.18/1,334,060.98 = 215,458.14/x - Step 3: Cross multiply
889,377.18x = 1,334,060.98 × 215,458.14 - Step 4: Simplify right side
889,377.18x = 287,434,297,397.38 - Step 5: Solve for x
x = 287,434,297,397.38/889,377.18 - Step 6: Final answer
x = 323,186.05
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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.