Finding the Fourth Proportional to 208,533.18, 312,751.77 and 124,317.09
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Solution
The fourth proportional to 208,533.18, 312,751.77 and 124,317.09 is: 186,447.02
Step by Step Solution
- Step 1: Write the proportion equation
208,533.18 : 312,751.77 = 124,317.09 : x - Step 2: Convert to fraction form
208,533.18/312,751.77 = 124,317.09/x - Step 3: Cross multiply
208,533.18x = 312,751.77 × 124,317.09 - Step 4: Simplify right side
208,533.18x = 38,880,389,938.75 - Step 5: Solve for x
x = 38,880,389,938.75/208,533.18 - Step 6: Final answer
x = 186,447.02
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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.