Finding the Fourth Proportional to 319,546.74, 440,975.91 and 176,306.70
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Solution
The fourth proportional to 319,546.74, 440,975.91 and 176,306.70 is: 243,304.02
Step by Step Solution
- Step 1: Write the proportion equation
319,546.74 : 440,975.91 = 176,306.70 : x - Step 2: Convert to fraction form
319,546.74/440,975.91 = 176,306.70/x - Step 3: Cross multiply
319,546.74x = 440,975.91 × 176,306.70 - Step 4: Simplify right side
319,546.74x = 77,747,007,471.60 - Step 5: Solve for x
x = 77,747,007,471.60/319,546.74 - Step 6: Final answer
x = 243,304.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.