Finding the Fourth Proportional to 199,655.24, 275,491.73 and 117,972.14
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Solution
The fourth proportional to 199,655.24, 275,491.73 and 117,972.14 is: 162,782.34
Step by Step Solution
- Step 1: Write the proportion equation
199,655.24 : 275,491.73 = 117,972.14 : x - Step 2: Convert to fraction form
199,655.24/275,491.73 = 117,972.14/x - Step 3: Cross multiply
199,655.24x = 275,491.73 × 117,972.14 - Step 4: Simplify right side
199,655.24x = 32,500,347,857.87 - Step 5: Solve for x
x = 32,500,347,857.87/199,655.24 - Step 6: Final answer
x = 162,782.34
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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.