Finding the Fourth Proportional to 157,344.36, 217,118.64 and 93,673.44
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Solution
The fourth proportional to 157,344.36, 217,118.64 and 93,673.44 is: 129,259.48
Step by Step Solution
- Step 1: Write the proportion equation
157,344.36 : 217,118.64 = 93,673.44 : x - Step 2: Convert to fraction form
157,344.36/217,118.64 = 93,673.44/x - Step 3: Cross multiply
157,344.36x = 217,118.64 × 93,673.44 - Step 4: Simplify right side
157,344.36x = 20,338,249,896.92 - Step 5: Solve for x
x = 20,338,249,896.92/157,344.36 - Step 6: Final answer
x = 129,259.48
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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.