Finding the Fourth Proportional to 162,813.80, 244,220.70 and 115,574.60
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Solution
The fourth proportional to 162,813.80, 244,220.70 and 115,574.60 is: 173,361.90
Step by Step Solution
- Step 1: Write the proportion equation
162,813.80 : 244,220.70 = 115,574.60 : x - Step 2: Convert to fraction form
162,813.80/244,220.70 = 115,574.60/x - Step 3: Cross multiply
162,813.80x = 244,220.70 × 115,574.60 - Step 4: Simplify right side
162,813.80x = 28,225,709,714.22 - Step 5: Solve for x
x = 28,225,709,714.22/162,813.80 - Step 6: Final answer
x = 173,361.90
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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.