Finding the Fourth Proportional to 636,673.87, 954,906.99 and 187,289.62
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Solution
The fourth proportional to 636,673.87, 954,906.99 and 187,289.62 is: 280,903.89
Step by Step Solution
- Step 1: Write the proportion equation
636,673.87 : 954,906.99 = 187,289.62 : x - Step 2: Convert to fraction form
636,673.87/954,906.99 = 187,289.62/x - Step 3: Cross multiply
636,673.87x = 954,906.99 × 187,289.62 - Step 4: Simplify right side
636,673.87x = 178,844,167,292.44 - Step 5: Solve for x
x = 178,844,167,292.44/636,673.87 - Step 6: Final answer
x = 280,903.89
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1.5x scale
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.