Finding the Fourth Proportional to 414,324.48, 621,487.08 and 177,513.60
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Solution
The fourth proportional to 414,324.48, 621,487.08 and 177,513.60 is: 266,270.55
Step by Step Solution
- Step 1: Write the proportion equation
414,324.48 : 621,487.08 = 177,513.60 : x - Step 2: Convert to fraction form
414,324.48/621,487.08 = 177,513.60/x - Step 3: Cross multiply
414,324.48x = 621,487.08 × 177,513.60 - Step 4: Simplify right side
414,324.48x = 110,322,408,924.29 - Step 5: Solve for x
x = 110,322,408,924.29/414,324.48 - Step 6: Final answer
x = 266,270.55
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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.