Finding the Fourth Proportional to 157,543.26, 217,448.99 and 93,868.75
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Solution
The fourth proportional to 157,543.26, 217,448.99 and 93,868.75 is: 129,562.29
Step by Step Solution
- Step 1: Write the proportion equation
157,543.26 : 217,448.99 = 93,868.75 : x - Step 2: Convert to fraction form
157,543.26/217,448.99 = 93,868.75/x - Step 3: Cross multiply
157,543.26x = 217,448.99 × 93,868.75 - Step 4: Simplify right side
157,543.26x = 20,411,664,880.06 - Step 5: Solve for x
x = 20,411,664,880.06/157,543.26 - Step 6: Final answer
x = 129,562.29
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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.