Finding the Fourth Proportional to 238,586.63, 329,242.52 and 136,608.71
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Solution
The fourth proportional to 238,586.63, 329,242.52 and 136,608.71 is: 188,515.99
Step by Step Solution
- Step 1: Write the proportion equation
238,586.63 : 329,242.52 = 136,608.71 : x - Step 2: Convert to fraction form
238,586.63/329,242.52 = 136,608.71/x - Step 3: Cross multiply
238,586.63x = 329,242.52 × 136,608.71 - Step 4: Simplify right side
238,586.63x = 44,977,394,629.66 - Step 5: Solve for x
x = 44,977,394,629.66/238,586.63 - Step 6: Final answer
x = 188,515.99
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1.5x scale
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.