Finding the Fourth Proportional to 157,347.96, 235,893.84 and 73,161.12
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Solution
The fourth proportional to 157,347.96, 235,893.84 and 73,161.12 is: 109,682.12
Step by Step Solution
- Step 1: Write the proportion equation
157,347.96 : 235,893.84 = 73,161.12 : x - Step 2: Convert to fraction form
157,347.96/235,893.84 = 73,161.12/x - Step 3: Cross multiply
157,347.96x = 235,893.84 × 73,161.12 - Step 4: Simplify right side
157,347.96x = 17,258,257,535.50 - Step 5: Solve for x
x = 17,258,257,535.50/157,347.96 - Step 6: Final answer
x = 109,682.12
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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.