Finding the Fourth Proportional to 248,695.38, 343,199.57 and 135,518.13
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Solution
The fourth proportional to 248,695.38, 343,199.57 and 135,518.13 is: 187,014.99
Step by Step Solution
- Step 1: Write the proportion equation
248,695.38 : 343,199.57 = 135,518.13 : x - Step 2: Convert to fraction form
248,695.38/343,199.57 = 135,518.13/x - Step 3: Cross multiply
248,695.38x = 343,199.57 × 135,518.13 - Step 4: Simplify right side
248,695.38x = 46,509,763,265.61 - Step 5: Solve for x
x = 46,509,763,265.61/248,695.38 - Step 6: Final answer
x = 187,014.99
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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.