Finding the Fourth Proportional to 317,527.05, 438,185.79 and 174,289.53
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Solution
The fourth proportional to 317,527.05, 438,185.79 and 174,289.53 is: 240,518.71
Step by Step Solution
- Step 1: Write the proportion equation
317,527.05 : 438,185.79 = 174,289.53 : x - Step 2: Convert to fraction form
317,527.05/438,185.79 = 174,289.53/x - Step 3: Cross multiply
317,527.05x = 438,185.79 × 174,289.53 - Step 4: Simplify right side
317,527.05x = 76,371,195,391.78 - Step 5: Solve for x
x = 76,371,195,391.78/317,527.05 - Step 6: Final answer
x = 240,518.71
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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.