Finding the Fourth Proportional to 394,511.62, 544,273.05 and 251,246.02
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Solution
The fourth proportional to 394,511.62, 544,273.05 and 251,246.02 is: 346,622.08
Step by Step Solution
- Step 1: Write the proportion equation
394,511.62 : 544,273.05 = 251,246.02 : x - Step 2: Convert to fraction form
394,511.62/544,273.05 = 251,246.02/x - Step 3: Cross multiply
394,511.62x = 544,273.05 × 251,246.02 - Step 4: Simplify right side
394,511.62x = 136,746,437,605.76 - Step 5: Solve for x
x = 136,746,437,605.76/394,511.62 - Step 6: Final answer
x = 346,622.08
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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.