Finding the Fourth Proportional to 406,148.14, 609,291.36 and 203,840.72
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Solution
The fourth proportional to 406,148.14, 609,291.36 and 203,840.72 is: 305,795.79
Step by Step Solution
- Step 1: Write the proportion equation
406,148.14 : 609,291.36 = 203,840.72 : x - Step 2: Convert to fraction form
406,148.14/609,291.36 = 203,840.72/x - Step 3: Cross multiply
406,148.14x = 609,291.36 × 203,840.72 - Step 4: Simplify right side
406,148.14x = 124,198,389,512.18 - Step 5: Solve for x
x = 124,198,389,512.18/406,148.14 - Step 6: Final answer
x = 305,795.79
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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.