Finding the Fourth Proportional to 157,943.36, 217,887.36 and 93,369.08
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Solution
The fourth proportional to 157,943.36, 217,887.36 and 93,369.08 is: 128,805.30
Step by Step Solution
- Step 1: Write the proportion equation
157,943.36 : 217,887.36 = 93,369.08 : x - Step 2: Convert to fraction form
157,943.36/217,887.36 = 93,369.08/x - Step 3: Cross multiply
157,943.36x = 217,887.36 × 93,369.08 - Step 4: Simplify right side
157,943.36x = 20,343,942,346.83 - Step 5: Solve for x
x = 20,343,942,346.83/157,943.36 - Step 6: Final answer
x = 128,805.30
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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.