Finding the Fourth Proportional to 221,750.24, 306,015.28 and 119,775.68
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Solution
The fourth proportional to 221,750.24, 306,015.28 and 119,775.68 is: 165,290.41
Step by Step Solution
- Step 1: Write the proportion equation
221,750.24 : 306,015.28 = 119,775.68 : x - Step 2: Convert to fraction form
221,750.24/306,015.28 = 119,775.68/x - Step 3: Cross multiply
221,750.24x = 306,015.28 × 119,775.68 - Step 4: Simplify right side
221,750.24x = 36,653,188,252.39 - Step 5: Solve for x
x = 36,653,188,252.39/221,750.24 - Step 6: Final answer
x = 165,290.41
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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.