Finding the Fourth Proportional to 248,883.96, 343,460.21 and 135,706.71
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Solution
The fourth proportional to 248,883.96, 343,460.21 and 135,706.71 is: 187,275.45
Step by Step Solution
- Step 1: Write the proportion equation
248,883.96 : 343,460.21 = 135,706.71 : x - Step 2: Convert to fraction form
248,883.96/343,460.21 = 135,706.71/x - Step 3: Cross multiply
248,883.96x = 343,460.21 × 135,706.71 - Step 4: Simplify right side
248,883.96x = 46,609,855,115.01 - Step 5: Solve for x
x = 46,609,855,115.01/248,883.96 - Step 6: Final answer
x = 187,275.45
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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.