Finding the Fourth Proportional to 751,752.50, 1,127,684.09 and 219,287.70
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Solution
The fourth proportional to 751,752.50, 1,127,684.09 and 219,287.70 is: 328,947.70
Step by Step Solution
- Step 1: Write the proportion equation
751,752.50 : 1,127,684.09 = 219,287.70 : x - Step 2: Convert to fraction form
751,752.50/1,127,684.09 = 219,287.70/x - Step 3: Cross multiply
751,752.50x = 1,127,684.09 × 219,287.70 - Step 4: Simplify right side
751,752.50x = 247,287,250,970.91 - Step 5: Solve for x
x = 247,287,250,970.91/751,752.50 - Step 6: Final answer
x = 328,947.70
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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.