Finding the Fourth Proportional to 291,151.24, 436,732.26 and 91,467.88
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Solution
The fourth proportional to 291,151.24, 436,732.26 and 91,467.88 is: 137,203.52
Step by Step Solution
- Step 1: Write the proportion equation
291,151.24 : 436,732.26 = 91,467.88 : x - Step 2: Convert to fraction form
291,151.24/436,732.26 = 91,467.88/x - Step 3: Cross multiply
291,151.24x = 436,732.26 × 91,467.88 - Step 4: Simplify right side
291,151.24x = 39,946,973,949.81 - Step 5: Solve for x
x = 39,946,973,949.81/291,151.24 - Step 6: Final answer
x = 137,203.52
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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.