Finding the Fourth Proportional to 291,745.36, 437,631.70 and 141,806.91
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Solution
The fourth proportional to 291,745.36, 437,631.70 and 141,806.91 is: 212,717.01
Step by Step Solution
- Step 1: Write the proportion equation
291,745.36 : 437,631.70 = 141,806.91 : x - Step 2: Convert to fraction form
291,745.36/437,631.70 = 141,806.91/x - Step 3: Cross multiply
291,745.36x = 437,631.70 × 141,806.91 - Step 4: Simplify right side
291,745.36x = 62,059,200,189.13 - Step 5: Solve for x
x = 62,059,200,189.13/291,745.36 - Step 6: Final answer
x = 212,717.01
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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.