Finding the Fourth Proportional to 229,494.74, 316,604.50 and 143,304.09
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Solution
The fourth proportional to 229,494.74, 316,604.50 and 143,304.09 is: 197,698.30
Step by Step Solution
- Step 1: Write the proportion equation
229,494.74 : 316,604.50 = 143,304.09 : x - Step 2: Convert to fraction form
229,494.74/316,604.50 = 143,304.09/x - Step 3: Cross multiply
229,494.74x = 316,604.50 × 143,304.09 - Step 4: Simplify right side
229,494.74x = 45,370,718,754.27 - Step 5: Solve for x
x = 45,370,718,754.27/229,494.74 - Step 6: Final answer
x = 197,698.30
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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.