Finding the Fourth Proportional to 248,475.12, 342,901.80 and 135,304.08
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Solution
The fourth proportional to 248,475.12, 342,901.80 and 135,304.08 is: 186,722.97
Step by Step Solution
- Step 1: Write the proportion equation
248,475.12 : 342,901.80 = 135,304.08 : x - Step 2: Convert to fraction form
248,475.12/342,901.80 = 135,304.08/x - Step 3: Cross multiply
248,475.12x = 342,901.80 × 135,304.08 - Step 4: Simplify right side
248,475.12x = 46,396,012,579.34 - Step 5: Solve for x
x = 46,396,012,579.34/248,475.12 - Step 6: Final answer
x = 186,722.97
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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.