Finding the Fourth Proportional to 199,811.37, 299,522.25 and 79,832.55
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Solution
The fourth proportional to 199,811.37, 299,522.25 and 79,832.55 is: 119,670.99
Step by Step Solution
- Step 1: Write the proportion equation
199,811.37 : 299,522.25 = 79,832.55 : x - Step 2: Convert to fraction form
199,811.37/299,522.25 = 79,832.55/x - Step 3: Cross multiply
199,811.37x = 299,522.25 × 79,832.55 - Step 4: Simplify right side
199,811.37x = 23,911,624,999.24 - Step 5: Solve for x
x = 23,911,624,999.24/199,811.37 - Step 6: Final answer
x = 119,670.99
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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.