Finding the Fourth Proportional to 645,306.12, 967,087.26 and 245,728.98
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Solution
The fourth proportional to 645,306.12, 967,087.26 and 245,728.98 is: 368,261.45
Step by Step Solution
- Step 1: Write the proportion equation
645,306.12 : 967,087.26 = 245,728.98 : x - Step 2: Convert to fraction form
645,306.12/967,087.26 = 245,728.98/x - Step 3: Cross multiply
645,306.12x = 967,087.26 × 245,728.98 - Step 4: Simplify right side
645,306.12x = 237,641,365,970.80 - Step 5: Solve for x
x = 237,641,365,970.80/645,306.12 - Step 6: Final answer
x = 368,261.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.