Finding the Fourth Proportional to 149,991.92, 224,914.08 and 61,221.60
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Solution
The fourth proportional to 149,991.92, 224,914.08 and 61,221.60 is: 91,802.28
Step by Step Solution
- Step 1: Write the proportion equation
149,991.92 : 224,914.08 = 61,221.60 : x - Step 2: Convert to fraction form
149,991.92/224,914.08 = 61,221.60/x - Step 3: Cross multiply
149,991.92x = 224,914.08 × 61,221.60 - Step 4: Simplify right side
149,991.92x = 13,769,599,840.13 - Step 5: Solve for x
x = 13,769,599,840.13/149,991.92 - Step 6: Final answer
x = 91,802.28
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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.