Finding the Fourth Proportional to 157,542.26, 217,447.61 and 93,867.75
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Solution
The fourth proportional to 157,542.26, 217,447.61 and 93,867.75 is: 129,560.91
Step by Step Solution
- Step 1: Write the proportion equation
157,542.26 : 217,447.61 = 93,867.75 : x - Step 2: Convert to fraction form
157,542.26/217,447.61 = 93,867.75/x - Step 3: Cross multiply
157,542.26x = 217,447.61 × 93,867.75 - Step 4: Simplify right side
157,542.26x = 20,411,317,424.24 - Step 5: Solve for x
x = 20,411,317,424.24/157,542.26 - Step 6: Final answer
x = 129,560.91
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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.