Finding the Fourth Proportional to 291,134.88, 436,410.80 and 122,695.84
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Solution
The fourth proportional to 291,134.88, 436,410.80 and 122,695.84 is: 183,920.90
Step by Step Solution
- Step 1: Write the proportion equation
291,134.88 : 436,410.80 = 122,695.84 : x - Step 2: Convert to fraction form
291,134.88/436,410.80 = 122,695.84/x - Step 3: Cross multiply
291,134.88x = 436,410.80 × 122,695.84 - Step 4: Simplify right side
291,134.88x = 53,545,789,691.07 - Step 5: Solve for x
x = 53,545,789,691.07/291,134.88 - Step 6: Final answer
x = 183,920.90
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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.