Finding the Fourth Proportional to 254,689.74, 382,110.93 and 102,808.62
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Solution
The fourth proportional to 254,689.74, 382,110.93 and 102,808.62 is: 154,243.74
Step by Step Solution
- Step 1: Write the proportion equation
254,689.74 : 382,110.93 = 102,808.62 : x - Step 2: Convert to fraction form
254,689.74/382,110.93 = 102,808.62/x - Step 3: Cross multiply
254,689.74x = 382,110.93 × 102,808.62 - Step 4: Simplify right side
254,689.74x = 39,284,297,400.22 - Step 5: Solve for x
x = 39,284,297,400.22/254,689.74 - Step 6: Final answer
x = 154,243.74
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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.