Finding the Fourth Proportional to 626,182.21, 938,688.97 and 247,106.09
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Solution
The fourth proportional to 626,182.21, 938,688.97 and 247,106.09 is: 370,428.54
Step by Step Solution
- Step 1: Write the proportion equation
626,182.21 : 938,688.97 = 247,106.09 : x - Step 2: Convert to fraction form
626,182.21/938,688.97 = 247,106.09/x - Step 3: Cross multiply
626,182.21x = 938,688.97 × 247,106.09 - Step 4: Simplify right side
626,182.21x = 231,955,761,102.83 - Step 5: Solve for x
x = 231,955,761,102.83/626,182.21 - Step 6: Final answer
x = 370,428.54
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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.