Finding the Fourth Proportional to 114,213.81, 157,612.71 and 63,226.54
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Solution
The fourth proportional to 114,213.81, 157,612.71 and 63,226.54 is: 87,251.33
Step by Step Solution
- Step 1: Write the proportion equation
114,213.81 : 157,612.71 = 63,226.54 : x - Step 2: Convert to fraction form
114,213.81/157,612.71 = 63,226.54/x - Step 3: Cross multiply
114,213.81x = 157,612.71 × 63,226.54 - Step 4: Simplify right side
114,213.81x = 9,965,306,313.32 - Step 5: Solve for x
x = 9,965,306,313.32/114,213.81 - Step 6: Final answer
x = 87,251.33
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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.