Finding the Fourth Proportional to 147,683.87, 221,479.33 and 47,820.99
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Solution
The fourth proportional to 147,683.87, 221,479.33 and 47,820.99 is: 71,716.44
Step by Step Solution
- Step 1: Write the proportion equation
147,683.87 : 221,479.33 = 47,820.99 : x - Step 2: Convert to fraction form
147,683.87/221,479.33 = 47,820.99/x - Step 3: Cross multiply
147,683.87x = 221,479.33 × 47,820.99 - Step 4: Simplify right side
147,683.87x = 10,591,360,825.14 - Step 5: Solve for x
x = 10,591,360,825.14/147,683.87 - Step 6: Final answer
x = 71,716.44
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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.