Finding the Fourth Proportional to 231,199.92, 346,657.32 and 129,838.68
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Solution
The fourth proportional to 231,199.92, 346,657.32 and 129,838.68 is: 194,677.96
Step by Step Solution
- Step 1: Write the proportion equation
231,199.92 : 346,657.32 = 129,838.68 : x - Step 2: Convert to fraction form
231,199.92/346,657.32 = 129,838.68/x - Step 3: Cross multiply
231,199.92x = 346,657.32 × 129,838.68 - Step 4: Simplify right side
231,199.92x = 45,009,528,841.14 - Step 5: Solve for x
x = 45,009,528,841.14/231,199.92 - Step 6: Final answer
x = 194,677.96
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1.5x scale
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.