Finding the Fourth Proportional to 320,375.55, 480,326.06 and 193,986.09
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Solution
The fourth proportional to 320,375.55, 480,326.06 and 193,986.09 is: 290,835.47
Step by Step Solution
- Step 1: Write the proportion equation
320,375.55 : 480,326.06 = 193,986.09 : x - Step 2: Convert to fraction form
320,375.55/480,326.06 = 193,986.09/x - Step 3: Cross multiply
320,375.55x = 480,326.06 × 193,986.09 - Step 4: Simplify right side
320,375.55x = 93,176,574,789.47 - Step 5: Solve for x
x = 93,176,574,789.47/320,375.55 - Step 6: Final answer
x = 290,835.47
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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.