Finding the Fourth Proportional to 114,299.68, 157,738.74 and 63,998.68
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Solution
The fourth proportional to 114,299.68, 157,738.74 and 63,998.68 is: 88,321.08
Step by Step Solution
- Step 1: Write the proportion equation
114,299.68 : 157,738.74 = 63,998.68 : x - Step 2: Convert to fraction form
114,299.68/157,738.74 = 63,998.68/x - Step 3: Cross multiply
114,299.68x = 157,738.74 × 63,998.68 - Step 4: Simplify right side
114,299.68x = 10,095,071,144.86 - Step 5: Solve for x
x = 10,095,071,144.86/114,299.68 - Step 6: Final answer
x = 88,321.08
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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.