Finding the Fourth Proportional to 224,575.72, 336,905.70 and 74,825.08
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Solution
The fourth proportional to 224,575.72, 336,905.70 and 74,825.08 is: 112,251.65
Step by Step Solution
- Step 1: Write the proportion equation
224,575.72 : 336,905.70 = 74,825.08 : x - Step 2: Convert to fraction form
224,575.72/336,905.70 = 74,825.08/x - Step 3: Cross multiply
224,575.72x = 336,905.70 × 74,825.08 - Step 4: Simplify right side
224,575.72x = 25,208,995,954.96 - Step 5: Solve for x
x = 25,208,995,954.96/224,575.72 - Step 6: Final answer
x = 112,251.65
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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.