Finding the Fourth Proportional to 317,240.58, 437,828.58 and 189,916.14
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Solution
The fourth proportional to 317,240.58, 437,828.58 and 189,916.14 is: 262,106.17
Step by Step Solution
- Step 1: Write the proportion equation
317,240.58 : 437,828.58 = 189,916.14 : x - Step 2: Convert to fraction form
317,240.58/437,828.58 = 189,916.14/x - Step 3: Cross multiply
317,240.58x = 437,828.58 × 189,916.14 - Step 4: Simplify right side
317,240.58x = 83,150,713,895.28 - Step 5: Solve for x
x = 83,150,713,895.28/317,240.58 - Step 6: Final answer
x = 262,106.17
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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.