Finding the Fourth Proportional to 628,690.41, 943,044.26 and 179,411.09
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Solution
The fourth proportional to 628,690.41, 943,044.26 and 179,411.09 is: 269,119.09
Step by Step Solution
- Step 1: Write the proportion equation
628,690.41 : 943,044.26 = 179,411.09 : x - Step 2: Convert to fraction form
628,690.41/943,044.26 = 179,411.09/x - Step 3: Cross multiply
628,690.41x = 943,044.26 × 179,411.09 - Step 4: Simplify right side
628,690.41x = 169,192,592,992.57 - Step 5: Solve for x
x = 169,192,592,992.57/628,690.41 - Step 6: Final answer
x = 269,119.09
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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.