Finding the Fourth Proportional to 317,813.75, 438,585.57 and 174,576.99
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Solution
The fourth proportional to 317,813.75, 438,585.57 and 174,576.99 is: 240,917.68
Step by Step Solution
- Step 1: Write the proportion equation
317,813.75 : 438,585.57 = 174,576.99 : x - Step 2: Convert to fraction form
317,813.75/438,585.57 = 174,576.99/x - Step 3: Cross multiply
317,813.75x = 438,585.57 × 174,576.99 - Step 4: Simplify right side
317,813.75x = 76,566,948,668.03 - Step 5: Solve for x
x = 76,566,948,668.03/317,813.75 - Step 6: Final answer
x = 240,917.68
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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.