Finding the Fourth Proportional to 932,375.16, 1,398,424.18 and 258,386.19
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Solution
The fourth proportional to 932,375.16, 1,398,424.18 and 258,386.19 is: 387,540.89
Step by Step Solution
- Step 1: Write the proportion equation
932,375.16 : 1,398,424.18 = 258,386.19 : x - Step 2: Convert to fraction form
932,375.16/1,398,424.18 = 258,386.19/x - Step 3: Cross multiply
932,375.16x = 1,398,424.18 × 258,386.19 - Step 4: Simplify right side
932,375.16x = 361,333,495,874.07 - Step 5: Solve for x
x = 361,333,495,874.07/932,375.16 - Step 6: Final answer
x = 387,540.89
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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.