Finding the Fourth Proportional to 300,469.08, 450,674.28 and 78,853.08
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Solution
The fourth proportional to 300,469.08, 450,674.28 and 78,853.08 is: 118,271.92
Step by Step Solution
- Step 1: Write the proportion equation
300,469.08 : 450,674.28 = 78,853.08 : x - Step 2: Convert to fraction form
300,469.08/450,674.28 = 78,853.08/x - Step 3: Cross multiply
300,469.08x = 450,674.28 × 78,853.08 - Step 4: Simplify right side
300,469.08x = 35,537,055,054.78 - Step 5: Solve for x
x = 35,537,055,054.78/300,469.08 - Step 6: Final answer
x = 118,271.92
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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.