Finding the Fourth Proportional to 249,630.70, 344,450.07 and 142,202.80
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Solution
The fourth proportional to 249,630.70, 344,450.07 and 142,202.80 is: 196,216.91
Step by Step Solution
- Step 1: Write the proportion equation
249,630.70 : 344,450.07 = 142,202.80 : x - Step 2: Convert to fraction form
249,630.70/344,450.07 = 142,202.80/x - Step 3: Cross multiply
249,630.70x = 344,450.07 × 142,202.80 - Step 4: Simplify right side
249,630.70x = 48,981,764,414.20 - Step 5: Solve for x
x = 48,981,764,414.20/249,630.70 - Step 6: Final answer
x = 196,216.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.