Finding the Fourth Proportional to 628,450.26, 942,822.96 and 207,726.08
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Solution
The fourth proportional to 628,450.26, 942,822.96 and 207,726.08 is: 311,637.90
Step by Step Solution
- Step 1: Write the proportion equation
628,450.26 : 942,822.96 = 207,726.08 : x - Step 2: Convert to fraction form
628,450.26/942,822.96 = 207,726.08/x - Step 3: Cross multiply
628,450.26x = 942,822.96 × 207,726.08 - Step 4: Simplify right side
628,450.26x = 195,848,917,614.80 - Step 5: Solve for x
x = 195,848,917,614.80/628,450.26 - Step 6: Final answer
x = 311,637.90
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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.