Finding the Fourth Proportional to 214,197.84, 295,592.76 and 129,298.32
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Solution
The fourth proportional to 214,197.84, 295,592.76 and 129,298.32 is: 178,431.53
Step by Step Solution
- Step 1: Write the proportion equation
214,197.84 : 295,592.76 = 129,298.32 : x - Step 2: Convert to fraction form
214,197.84/295,592.76 = 129,298.32/x - Step 3: Cross multiply
214,197.84x = 295,592.76 × 129,298.32 - Step 4: Simplify right side
214,197.84x = 38,219,647,272.16 - Step 5: Solve for x
x = 38,219,647,272.16/214,197.84 - Step 6: Final answer
x = 178,431.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.