Finding the Fourth Proportional to 209,396.99, 314,199.27 and 83,034.53
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Solution
The fourth proportional to 209,396.99, 314,199.27 and 83,034.53 is: 124,592.95
Step by Step Solution
- Step 1: Write the proportion equation
209,396.99 : 314,199.27 = 83,034.53 : x - Step 2: Convert to fraction form
209,396.99/314,199.27 = 83,034.53/x - Step 3: Cross multiply
209,396.99x = 314,199.27 × 83,034.53 - Step 4: Simplify right side
209,396.99x = 26,089,387,139.80 - Step 5: Solve for x
x = 26,089,387,139.80/209,396.99 - Step 6: Final answer
x = 124,592.95
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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.