Finding the Fourth Proportional to 157,293.05, 217,074.62 and 93,622.19
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Solution
The fourth proportional to 157,293.05, 217,074.62 and 93,622.19 is: 129,204.70
Step by Step Solution
- Step 1: Write the proportion equation
157,293.05 : 217,074.62 = 93,622.19 : x - Step 2: Convert to fraction form
157,293.05/217,074.62 = 93,622.19/x - Step 3: Cross multiply
157,293.05x = 217,074.62 × 93,622.19 - Step 4: Simplify right side
157,293.05x = 20,323,000,849.71 - Step 5: Solve for x
x = 20,323,000,849.71/157,293.05 - Step 6: Final answer
x = 129,204.70
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1.5x scale
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.