Finding the Fourth Proportional to 229,518.68, 341,971.17 and 216,626.80
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Solution
The fourth proportional to 229,518.68, 341,971.17 and 216,626.80 is: 322,762.92
Step by Step Solution
- Step 1: Write the proportion equation
229,518.68 : 341,971.17 = 216,626.80 : x - Step 2: Convert to fraction form
229,518.68/341,971.17 = 216,626.80/x - Step 3: Cross multiply
229,518.68x = 341,971.17 × 216,626.80 - Step 4: Simplify right side
229,518.68x = 74,080,120,249.36 - Step 5: Solve for x
x = 74,080,120,249.36/229,518.68 - Step 6: Final answer
x = 322,762.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.