Finding the Fourth Proportional to 306,618.99, 459,930.58 and 117,028.23
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Solution
The fourth proportional to 306,618.99, 459,930.58 and 117,028.23 is: 175,543.14
Step by Step Solution
- Step 1: Write the proportion equation
306,618.99 : 459,930.58 = 117,028.23 : x - Step 2: Convert to fraction form
306,618.99/459,930.58 = 117,028.23/x - Step 3: Cross multiply
306,618.99x = 459,930.58 × 117,028.23 - Step 4: Simplify right side
306,618.99x = 53,824,861,700.27 - Step 5: Solve for x
x = 53,824,861,700.27/306,618.99 - Step 6: Final answer
x = 175,543.14
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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.