Finding the Fourth Proportional to 147,571.95, 203,648.35 and 83,909.75
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Solution
The fourth proportional to 147,571.95, 203,648.35 and 83,909.75 is: 115,794.92
Step by Step Solution
- Step 1: Write the proportion equation
147,571.95 : 203,648.35 = 83,909.75 : x - Step 2: Convert to fraction form
147,571.95/203,648.35 = 83,909.75/x - Step 3: Cross multiply
147,571.95x = 203,648.35 × 83,909.75 - Step 4: Simplify right side
147,571.95x = 17,088,081,716.86 - Step 5: Solve for x
x = 17,088,081,716.86/147,571.95 - Step 6: Final answer
x = 115,794.92
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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.