Finding the Fourth Proportional to 317,913.66, 438,715.44 and 174,673.53
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Solution
The fourth proportional to 317,913.66, 438,715.44 and 174,673.53 is: 241,046.50
Step by Step Solution
- Step 1: Write the proportion equation
317,913.66 : 438,715.44 = 174,673.53 : x - Step 2: Convert to fraction form
317,913.66/438,715.44 = 174,673.53/x - Step 3: Cross multiply
317,913.66x = 438,715.44 × 174,673.53 - Step 4: Simplify right side
317,913.66x = 76,631,974,570.30 - Step 5: Solve for x
x = 76,631,974,570.30/317,913.66 - Step 6: Final answer
x = 241,046.50
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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.