Finding the Fourth Proportional to 236,445.20, 354,473.40 and 125,637.20
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Solution
The fourth proportional to 236,445.20, 354,473.40 and 125,637.20 is: 188,352.50
Step by Step Solution
- Step 1: Write the proportion equation
236,445.20 : 354,473.40 = 125,637.20 : x - Step 2: Convert to fraction form
236,445.20/354,473.40 = 125,637.20/x - Step 3: Cross multiply
236,445.20x = 354,473.40 × 125,637.20 - Step 4: Simplify right side
236,445.20x = 44,535,045,450.48 - Step 5: Solve for x
x = 44,535,045,450.48/236,445.20 - Step 6: Final answer
x = 188,352.50
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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.