Finding the Fourth Proportional to 157,133.34, 235,736.91 and 51,952.32
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Solution
The fourth proportional to 157,133.34, 235,736.91 and 51,952.32 is: 77,940.68
Step by Step Solution
- Step 1: Write the proportion equation
157,133.34 : 235,736.91 = 51,952.32 : x - Step 2: Convert to fraction form
157,133.34/235,736.91 = 51,952.32/x - Step 3: Cross multiply
157,133.34x = 235,736.91 × 51,952.32 - Step 4: Simplify right side
157,133.34x = 12,247,079,384.13 - Step 5: Solve for x
x = 12,247,079,384.13/157,133.34 - Step 6: Final answer
x = 77,940.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.