Finding the Fourth Proportional to 141,887.36, 212,896.20 and 53,148.08
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Solution
The fourth proportional to 141,887.36, 212,896.20 and 53,148.08 is: 79,746.53
Step by Step Solution
- Step 1: Write the proportion equation
141,887.36 : 212,896.20 = 53,148.08 : x - Step 2: Convert to fraction form
141,887.36/212,896.20 = 53,148.08/x - Step 3: Cross multiply
141,887.36x = 212,896.20 × 53,148.08 - Step 4: Simplify right side
141,887.36x = 11,315,024,269.30 - Step 5: Solve for x
x = 11,315,024,269.30/141,887.36 - Step 6: Final answer
x = 79,746.53
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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.