Finding the Fourth Proportional to 212,370.08, 293,128.28 and 125,231.28
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Solution
The fourth proportional to 212,370.08, 293,128.28 and 125,231.28 is: 172,853.12
Step by Step Solution
- Step 1: Write the proportion equation
212,370.08 : 293,128.28 = 125,231.28 : x - Step 2: Convert to fraction form
212,370.08/293,128.28 = 125,231.28/x - Step 3: Cross multiply
212,370.08x = 293,128.28 × 125,231.28 - Step 4: Simplify right side
212,370.08x = 36,708,829,082.44 - Step 5: Solve for x
x = 36,708,829,082.44/212,370.08 - Step 6: Final answer
x = 172,853.12
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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.