Finding the Fourth Proportional to 317,219.23, 437,790.21 and 174,006.94
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Solution
The fourth proportional to 317,219.23, 437,790.21 and 174,006.94 is: 240,144.76
Step by Step Solution
- Step 1: Write the proportion equation
317,219.23 : 437,790.21 = 174,006.94 : x - Step 2: Convert to fraction form
317,219.23/437,790.21 = 174,006.94/x - Step 3: Cross multiply
317,219.23x = 437,790.21 × 174,006.94 - Step 4: Simplify right side
317,219.23x = 76,178,534,804.06 - Step 5: Solve for x
x = 76,178,534,804.06/317,219.23 - Step 6: Final answer
x = 240,144.76
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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.