Finding the Fourth Proportional to 394,366.14, 544,225.26 and 213,078.12
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Solution
The fourth proportional to 394,366.14, 544,225.26 and 213,078.12 is: 294,047.80
Step by Step Solution
- Step 1: Write the proportion equation
394,366.14 : 544,225.26 = 213,078.12 : x - Step 2: Convert to fraction form
394,366.14/544,225.26 = 213,078.12/x - Step 3: Cross multiply
394,366.14x = 544,225.26 × 213,078.12 - Step 4: Simplify right side
394,366.14x = 115,962,495,257.31 - Step 5: Solve for x
x = 115,962,495,257.31/394,366.14 - Step 6: Final answer
x = 294,047.80
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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.