Finding the Fourth Proportional to 663,116.13, 994,868.29 and 213,827.96
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Solution
The fourth proportional to 663,116.13, 994,868.29 and 213,827.96 is: 320,804.53
Step by Step Solution
- Step 1: Write the proportion equation
663,116.13 : 994,868.29 = 213,827.96 : x - Step 2: Convert to fraction form
663,116.13/994,868.29 = 213,827.96/x - Step 3: Cross multiply
663,116.13x = 994,868.29 × 213,827.96 - Step 4: Simplify right side
663,116.13x = 212,730,656,919.39 - Step 5: Solve for x
x = 212,730,656,919.39/663,116.13 - Step 6: Final answer
x = 320,804.53
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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.