Finding the Fourth Proportional to 208,094.24, 312,067.56 and 74,938.70
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Solution
The fourth proportional to 208,094.24, 312,067.56 and 74,938.70 is: 112,381.47
Step by Step Solution
- Step 1: Write the proportion equation
208,094.24 : 312,067.56 = 74,938.70 : x - Step 2: Convert to fraction form
208,094.24/312,067.56 = 74,938.70/x - Step 3: Cross multiply
208,094.24x = 312,067.56 × 74,938.70 - Step 4: Simplify right side
208,094.24x = 23,385,937,258.57 - Step 5: Solve for x
x = 23,385,937,258.57/208,094.24 - Step 6: Final answer
x = 112,381.47
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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.