Finding the Fourth Proportional to 248,482.16, 342,905.48 and 135,304.88
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Solution
The fourth proportional to 248,482.16, 342,905.48 and 135,304.88 is: 186,720.79
Step by Step Solution
- Step 1: Write the proportion equation
248,482.16 : 342,905.48 = 135,304.88 : x - Step 2: Convert to fraction form
248,482.16/342,905.48 = 135,304.88/x - Step 3: Cross multiply
248,482.16x = 342,905.48 × 135,304.88 - Step 4: Simplify right side
248,482.16x = 46,396,784,822.74 - Step 5: Solve for x
x = 46,396,784,822.74/248,482.16 - Step 6: Final answer
x = 186,720.79
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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.