Finding the Fourth Proportional to 157,704.73, 217,599.85 and 93,141.23
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Solution
The fourth proportional to 157,704.73, 217,599.85 and 93,141.23 is: 128,515.59
Step by Step Solution
- Step 1: Write the proportion equation
157,704.73 : 217,599.85 = 93,141.23 : x - Step 2: Convert to fraction form
157,704.73/217,599.85 = 93,141.23/x - Step 3: Cross multiply
157,704.73x = 217,599.85 × 93,141.23 - Step 4: Simplify right side
157,704.73x = 20,267,516,705.24 - Step 5: Solve for x
x = 20,267,516,705.24/157,704.73 - Step 6: Final answer
x = 128,515.59
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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.