Finding the Fourth Proportional to 291,067.36, 401,525.98 and 170,129.63
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Solution
The fourth proportional to 291,067.36, 401,525.98 and 170,129.63 is: 234,692.99
Step by Step Solution
- Step 1: Write the proportion equation
291,067.36 : 401,525.98 = 170,129.63 : x - Step 2: Convert to fraction form
291,067.36/401,525.98 = 170,129.63/x - Step 3: Cross multiply
291,067.36x = 401,525.98 × 170,129.63 - Step 4: Simplify right side
291,067.36x = 68,311,466,991.28 - Step 5: Solve for x
x = 68,311,466,991.28/291,067.36 - Step 6: Final answer
x = 234,692.99
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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.