Finding the Fourth Proportional to 317,629.96, 438,340.62 and 174,400.96
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Solution
The fourth proportional to 317,629.96, 438,340.62 and 174,400.96 is: 240,679.52
Step by Step Solution
- Step 1: Write the proportion equation
317,629.96 : 438,340.62 = 174,400.96 : x - Step 2: Convert to fraction form
317,629.96/438,340.62 = 174,400.96/x - Step 3: Cross multiply
317,629.96x = 438,340.62 × 174,400.96 - Step 4: Simplify right side
317,629.96x = 76,447,024,935.00 - Step 5: Solve for x
x = 76,447,024,935.00/317,629.96 - Step 6: Final answer
x = 240,679.52
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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.