Finding the Fourth Proportional to 248,315.28, 342,668.52 and 135,135.60
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Solution
The fourth proportional to 248,315.28, 342,668.52 and 135,135.60 is: 186,483.55
Step by Step Solution
- Step 1: Write the proportion equation
248,315.28 : 342,668.52 = 135,135.60 : x - Step 2: Convert to fraction form
248,315.28/342,668.52 = 135,135.60/x - Step 3: Cross multiply
248,315.28x = 342,668.52 × 135,135.60 - Step 4: Simplify right side
248,315.28x = 46,306,716,051.31 - Step 5: Solve for x
x = 46,306,716,051.31/248,315.28 - Step 6: Final answer
x = 186,483.55
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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.