Finding the Fourth Proportional to 889,252.66, 1,334,091.21 and 290,214.96
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Solution
The fourth proportional to 889,252.66, 1,334,091.21 and 290,214.96 is: 435,391.70
Step by Step Solution
- Step 1: Write the proportion equation
889,252.66 : 1,334,091.21 = 290,214.96 : x - Step 2: Convert to fraction form
889,252.66/1,334,091.21 = 290,214.96/x - Step 3: Cross multiply
889,252.66x = 1,334,091.21 × 290,214.96 - Step 4: Simplify right side
889,252.66x = 387,173,227,146.50 - Step 5: Solve for x
x = 387,173,227,146.50/889,252.66 - Step 6: Final answer
x = 435,391.70
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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.