Finding the Fourth Proportional to 147,975.47, 221,965.26 and 48,136.19
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Solution
The fourth proportional to 147,975.47, 221,965.26 and 48,136.19 is: 72,204.95
Step by Step Solution
- Step 1: Write the proportion equation
147,975.47 : 221,965.26 = 48,136.19 : x - Step 2: Convert to fraction form
147,975.47/221,965.26 = 48,136.19/x - Step 3: Cross multiply
147,975.47x = 221,965.26 × 48,136.19 - Step 4: Simplify right side
147,975.47x = 10,684,562,157.74 - Step 5: Solve for x
x = 10,684,562,157.74/147,975.47 - Step 6: Final answer
x = 72,204.95
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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.