Finding the Fourth Proportional to 318,216.68, 477,532.69 and 118,696.67
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Solution
The fourth proportional to 318,216.68, 477,532.69 and 118,696.67 is: 178,122.47
Step by Step Solution
- Step 1: Write the proportion equation
318,216.68 : 477,532.69 = 118,696.67 : x - Step 2: Convert to fraction form
318,216.68/477,532.69 = 118,696.67/x - Step 3: Cross multiply
318,216.68x = 477,532.69 × 118,696.67 - Step 4: Simplify right side
318,216.68x = 56,681,541,016.23 - Step 5: Solve for x
x = 56,681,541,016.23/318,216.68 - Step 6: Final answer
x = 178,122.47
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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.