Finding the Fourth Proportional to 102,274.22, 153,202.19 and 83,366.24
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Solution
The fourth proportional to 102,274.22, 153,202.19 and 83,366.24 is: 124,878.88
Step by Step Solution
- Step 1: Write the proportion equation
102,274.22 : 153,202.19 = 83,366.24 : x - Step 2: Convert to fraction form
102,274.22/153,202.19 = 83,366.24/x - Step 3: Cross multiply
102,274.22x = 153,202.19 × 83,366.24 - Step 4: Simplify right side
102,274.22x = 12,771,889,740.23 - Step 5: Solve for x
x = 12,771,889,740.23/102,274.22 - Step 6: Final answer
x = 124,878.88
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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.