Finding the Fourth Proportional to 221,444.20, 332,133.90 and 63,656.20
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Solution
The fourth proportional to 221,444.20, 332,133.90 and 63,656.20 is: 95,474.99
Step by Step Solution
- Step 1: Write the proportion equation
221,444.20 : 332,133.90 = 63,656.20 : x - Step 2: Convert to fraction form
221,444.20/332,133.90 = 63,656.20/x - Step 3: Cross multiply
221,444.20x = 332,133.90 × 63,656.20 - Step 4: Simplify right side
221,444.20x = 21,142,381,965.18 - Step 5: Solve for x
x = 21,142,381,965.18/221,444.20 - Step 6: Final answer
x = 95,474.99
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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.