Finding the Fourth Proportional to 259,546.78, 358,174.56 and 146,369.53
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Solution
The fourth proportional to 259,546.78, 358,174.56 and 146,369.53 is: 201,989.95
Step by Step Solution
- Step 1: Write the proportion equation
259,546.78 : 358,174.56 = 146,369.53 : x - Step 2: Convert to fraction form
259,546.78/358,174.56 = 146,369.53/x - Step 3: Cross multiply
259,546.78x = 358,174.56 × 146,369.53 - Step 4: Simplify right side
259,546.78x = 52,425,842,178.43 - Step 5: Solve for x
x = 52,425,842,178.43/259,546.78 - Step 6: Final answer
x = 201,989.95
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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.