Finding the Fourth Proportional to 366,847.70, 550,271.55 and 145,231.70
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Solution
The fourth proportional to 366,847.70, 550,271.55 and 145,231.70 is: 217,847.55
Step by Step Solution
- Step 1: Write the proportion equation
366,847.70 : 550,271.55 = 145,231.70 : x - Step 2: Convert to fraction form
366,847.70/550,271.55 = 145,231.70/x - Step 3: Cross multiply
366,847.70x = 550,271.55 × 145,231.70 - Step 4: Simplify right side
366,847.70x = 79,916,872,668.14 - Step 5: Solve for x
x = 79,916,872,668.14/366,847.70 - Step 6: Final answer
x = 217,847.55
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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.