Finding the Fourth Proportional to 114,313.05, 157,751.99 and 63,329.09
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Solution
The fourth proportional to 114,313.05, 157,751.99 and 63,329.09 is: 87,394.13
Step by Step Solution
- Step 1: Write the proportion equation
114,313.05 : 157,751.99 = 63,329.09 : x - Step 2: Convert to fraction form
114,313.05/157,751.99 = 63,329.09/x - Step 3: Cross multiply
114,313.05x = 157,751.99 × 63,329.09 - Step 4: Simplify right side
114,313.05x = 9,990,290,247.31 - Step 5: Solve for x
x = 9,990,290,247.31/114,313.05 - Step 6: Final answer
x = 87,394.13
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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.