Finding the Fourth Proportional to 248,695.84, 343,199.19 and 135,518.59
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Solution
The fourth proportional to 248,695.84, 343,199.19 and 135,518.59 is: 187,015.07
Step by Step Solution
- Step 1: Write the proportion equation
248,695.84 : 343,199.19 = 135,518.59 : x - Step 2: Convert to fraction form
248,695.84/343,199.19 = 135,518.59/x - Step 3: Cross multiply
248,695.84x = 343,199.19 × 135,518.59 - Step 4: Simplify right side
248,695.84x = 46,509,870,317.94 - Step 5: Solve for x
x = 46,509,870,317.94/248,695.84 - Step 6: Final answer
x = 187,015.07
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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.