Finding the Fourth Proportional to 291,216.84, 436,643.91 and 122,650.17
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Solution
The fourth proportional to 291,216.84, 436,643.91 and 122,650.17 is: 183,898.88
Step by Step Solution
- Step 1: Write the proportion equation
291,216.84 : 436,643.91 = 122,650.17 : x - Step 2: Convert to fraction form
291,216.84/436,643.91 = 122,650.17/x - Step 3: Cross multiply
291,216.84x = 436,643.91 × 122,650.17 - Step 4: Simplify right side
291,216.84x = 53,554,449,790.96 - Step 5: Solve for x
x = 53,554,449,790.96/291,216.84 - Step 6: Final answer
x = 183,898.88
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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.