Finding the Fourth Proportional to 190,139.83, 262,516.76 and 122,182.99
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Solution
The fourth proportional to 190,139.83, 262,516.76 and 122,182.99 is: 168,692.07
Step by Step Solution
- Step 1: Write the proportion equation
190,139.83 : 262,516.76 = 122,182.99 : x - Step 2: Convert to fraction form
190,139.83/262,516.76 = 122,182.99/x - Step 3: Cross multiply
190,139.83x = 262,516.76 × 122,182.99 - Step 4: Simplify right side
190,139.83x = 32,075,082,051.00 - Step 5: Solve for x
x = 32,075,082,051.00/190,139.83 - Step 6: Final answer
x = 168,692.07
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1.5x scale
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.