Finding the Fourth Proportional to 211,947.41, 317,970.36 and 62,181.65
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Solution
The fourth proportional to 211,947.41, 317,970.36 and 62,181.65 is: 93,286.92
Step by Step Solution
- Step 1: Write the proportion equation
211,947.41 : 317,970.36 = 62,181.65 : x - Step 2: Convert to fraction form
211,947.41/317,970.36 = 62,181.65/x - Step 3: Cross multiply
211,947.41x = 317,970.36 × 62,181.65 - Step 4: Simplify right side
211,947.41x = 19,771,921,324.99 - Step 5: Solve for x
x = 19,771,921,324.99/211,947.41 - Step 6: Final answer
x = 93,286.92
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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.