Finding the Fourth Proportional to 229,776.36, 317,052.62 and 127,788.44
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Solution
The fourth proportional to 229,776.36, 317,052.62 and 127,788.44 is: 176,326.49
Step by Step Solution
- Step 1: Write the proportion equation
229,776.36 : 317,052.62 = 127,788.44 : x - Step 2: Convert to fraction form
229,776.36/317,052.62 = 127,788.44/x - Step 3: Cross multiply
229,776.36x = 317,052.62 × 127,788.44 - Step 4: Simplify right side
229,776.36x = 40,515,659,707.71 - Step 5: Solve for x
x = 40,515,659,707.71/229,776.36 - Step 6: Final answer
x = 176,326.49
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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.