Finding the Fourth Proportional to 135,201.70, 202,802.55 and 117,705.70
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Solution
The fourth proportional to 135,201.70, 202,802.55 and 117,705.70 is: 176,558.55
Step by Step Solution
- Step 1: Write the proportion equation
135,201.70 : 202,802.55 = 117,705.70 : x - Step 2: Convert to fraction form
135,201.70/202,802.55 = 117,705.70/x - Step 3: Cross multiply
135,201.70x = 202,802.55 × 117,705.70 - Step 4: Simplify right side
135,201.70x = 23,871,016,109.54 - Step 5: Solve for x
x = 23,871,016,109.54/135,201.70 - Step 6: Final answer
x = 176,558.55
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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.