Finding the Fourth Proportional to 154,787.98, 213,516.68 and 97,336.17
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Solution
The fourth proportional to 154,787.98, 213,516.68 and 97,336.17 is: 134,266.86
Step by Step Solution
- Step 1: Write the proportion equation
154,787.98 : 213,516.68 = 97,336.17 : x - Step 2: Convert to fraction form
154,787.98/213,516.68 = 97,336.17/x - Step 3: Cross multiply
154,787.98x = 213,516.68 × 97,336.17 - Step 4: Simplify right side
154,787.98x = 20,782,895,862.32 - Step 5: Solve for x
x = 20,782,895,862.32/154,787.98 - Step 6: Final answer
x = 134,266.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.