Finding the Fourth Proportional to 408,069.80, 612,104.70 and 248,402.60
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Solution
The fourth proportional to 408,069.80, 612,104.70 and 248,402.60 is: 372,603.90
Step by Step Solution
- Step 1: Write the proportion equation
408,069.80 : 612,104.70 = 248,402.60 : x - Step 2: Convert to fraction form
408,069.80/612,104.70 = 248,402.60/x - Step 3: Cross multiply
408,069.80x = 612,104.70 × 248,402.60 - Step 4: Simplify right side
408,069.80x = 152,048,398,952.22 - Step 5: Solve for x
x = 152,048,398,952.22/408,069.80 - Step 6: Final answer
x = 372,603.90
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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.