Finding the Fourth Proportional to 199,847.70, 299,771.55 and 168,743.70
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Solution
The fourth proportional to 199,847.70, 299,771.55 and 168,743.70 is: 253,115.55
Step by Step Solution
- Step 1: Write the proportion equation
199,847.70 : 299,771.55 = 168,743.70 : x - Step 2: Convert to fraction form
199,847.70/299,771.55 = 168,743.70/x - Step 3: Cross multiply
199,847.70x = 299,771.55 × 168,743.70 - Step 4: Simplify right side
199,847.70x = 50,584,560,501.74 - Step 5: Solve for x
x = 50,584,560,501.74/199,847.70 - Step 6: Final answer
x = 253,115.55
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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.