Finding the Fourth Proportional to 291,418.36, 437,107.45 and 179,115.91
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Solution
The fourth proportional to 291,418.36, 437,107.45 and 179,115.91 is: 268,661.52
Step by Step Solution
- Step 1: Write the proportion equation
291,418.36 : 437,107.45 = 179,115.91 : x - Step 2: Convert to fraction form
291,418.36/437,107.45 = 179,115.91/x - Step 3: Cross multiply
291,418.36x = 437,107.45 × 179,115.91 - Step 4: Simplify right side
291,418.36x = 78,292,898,674.53 - Step 5: Solve for x
x = 78,292,898,674.53/291,418.36 - Step 6: Final answer
x = 268,661.52
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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.