Finding the Fourth Proportional to 211,500.58, 317,252.49 and 71,257.18
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Solution
The fourth proportional to 211,500.58, 317,252.49 and 71,257.18 is: 106,886.31
Step by Step Solution
- Step 1: Write the proportion equation
211,500.58 : 317,252.49 = 71,257.18 : x - Step 2: Convert to fraction form
211,500.58/317,252.49 = 71,257.18/x - Step 3: Cross multiply
211,500.58x = 317,252.49 × 71,257.18 - Step 4: Simplify right side
211,500.58x = 22,606,516,725.03 - Step 5: Solve for x
x = 22,606,516,725.03/211,500.58 - Step 6: Final answer
x = 106,886.31
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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.