Finding the Fourth Proportional to 134,211.12, 201,201.48 and 74,998.32
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Solution
The fourth proportional to 134,211.12, 201,201.48 and 74,998.32 is: 112,433.11
Step by Step Solution
- Step 1: Write the proportion equation
134,211.12 : 201,201.48 = 74,998.32 : x - Step 2: Convert to fraction form
134,211.12/201,201.48 = 74,998.32/x - Step 3: Cross multiply
134,211.12x = 201,201.48 × 74,998.32 - Step 4: Simplify right side
134,211.12x = 15,089,772,981.51 - Step 5: Solve for x
x = 15,089,772,981.51/134,211.12 - Step 6: Final answer
x = 112,433.11
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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.