Finding the Fourth Proportional to 121,858.83, 182,657.03 and 116,271.99
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Solution
The fourth proportional to 121,858.83, 182,657.03 and 116,271.99 is: 174,282.78
Step by Step Solution
- Step 1: Write the proportion equation
121,858.83 : 182,657.03 = 116,271.99 : x - Step 2: Convert to fraction form
121,858.83/182,657.03 = 116,271.99/x - Step 3: Cross multiply
121,858.83x = 182,657.03 × 116,271.99 - Step 4: Simplify right side
121,858.83x = 21,237,895,784.23 - Step 5: Solve for x
x = 21,237,895,784.23/121,858.83 - Step 6: Final answer
x = 174,282.78
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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.