Finding the Fourth Proportional to 248,796.18, 343,343.70 and 135,618.84
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Solution
The fourth proportional to 248,796.18, 343,343.70 and 135,618.84 is: 187,156.71
Step by Step Solution
- Step 1: Write the proportion equation
248,796.18 : 343,343.70 = 135,618.84 : x - Step 2: Convert to fraction form
248,796.18/343,343.70 = 135,618.84/x - Step 3: Cross multiply
248,796.18x = 343,343.70 × 135,618.84 - Step 4: Simplify right side
248,796.18x = 46,563,874,315.31 - Step 5: Solve for x
x = 46,563,874,315.31/248,796.18 - Step 6: Final answer
x = 187,156.71
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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.