Finding the Fourth Proportional to 199,847.80, 299,771.70 and 106,535.80
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Solution
The fourth proportional to 199,847.80, 299,771.70 and 106,535.80 is: 159,803.70
Step by Step Solution
- Step 1: Write the proportion equation
199,847.80 : 299,771.70 = 106,535.80 : x - Step 2: Convert to fraction form
199,847.80/299,771.70 = 106,535.80/x - Step 3: Cross multiply
199,847.80x = 299,771.70 × 106,535.80 - Step 4: Simplify right side
199,847.80x = 31,936,417,876.86 - Step 5: Solve for x
x = 31,936,417,876.86/199,847.80 - Step 6: Final answer
x = 159,803.70
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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.