Finding the Fourth Proportional to 147,439.68, 221,136.72 and 53,923.56
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Solution
The fourth proportional to 147,439.68, 221,136.72 and 53,923.56 is: 80,877.00
Step by Step Solution
- Step 1: Write the proportion equation
147,439.68 : 221,136.72 = 53,923.56 : x - Step 2: Convert to fraction form
147,439.68/221,136.72 = 53,923.56/x - Step 3: Cross multiply
147,439.68x = 221,136.72 × 53,923.56 - Step 4: Simplify right side
147,439.68x = 11,924,479,189.12 - Step 5: Solve for x
x = 11,924,479,189.12/147,439.68 - Step 6: Final answer
x = 80,877.00
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1.5x scale
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.