Finding the Fourth Proportional to 236,439.70, 354,465.15 and 125,631.70
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Solution
The fourth proportional to 236,439.70, 354,465.15 and 125,631.70 is: 188,344.26
Step by Step Solution
- Step 1: Write the proportion equation
236,439.70 : 354,465.15 = 125,631.70 : x - Step 2: Convert to fraction form
236,439.70/354,465.15 = 125,631.70/x - Step 3: Cross multiply
236,439.70x = 354,465.15 × 125,631.70 - Step 4: Simplify right side
236,439.70x = 44,532,059,385.26 - Step 5: Solve for x
x = 44,532,059,385.26/236,439.70 - Step 6: Final answer
x = 188,344.26
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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.