Finding the Fourth Proportional to 317,445.94, 438,060.99 and 174,203.11
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Solution
The fourth proportional to 317,445.94, 438,060.99 and 174,203.11 is: 240,392.39
Step by Step Solution
- Step 1: Write the proportion equation
317,445.94 : 438,060.99 = 174,203.11 : x - Step 2: Convert to fraction form
317,445.94/438,060.99 = 174,203.11/x - Step 3: Cross multiply
317,445.94x = 438,060.99 × 174,203.11 - Step 4: Simplify right side
317,445.94x = 76,311,586,827.68 - Step 5: Solve for x
x = 76,311,586,827.68/317,445.94 - Step 6: Final answer
x = 240,392.39
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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.