Finding the Fourth Proportional to 369,304.44, 509,764.80 and 229,711.74
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Solution
The fourth proportional to 369,304.44, 509,764.80 and 229,711.74 is: 317,079.75
Step by Step Solution
- Step 1: Write the proportion equation
369,304.44 : 509,764.80 = 229,711.74 : x - Step 2: Convert to fraction form
369,304.44/509,764.80 = 229,711.74/x - Step 3: Cross multiply
369,304.44x = 509,764.80 × 229,711.74 - Step 4: Simplify right side
369,304.44x = 117,098,959,198.75 - Step 5: Solve for x
x = 117,098,959,198.75/369,304.44 - Step 6: Final answer
x = 317,079.75
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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.