Finding the Fourth Proportional to 413,630.48, 620,371.80 and 110,026.28
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Solution
The fourth proportional to 413,630.48, 620,371.80 and 110,026.28 is: 165,019.75
Step by Step Solution
- Step 1: Write the proportion equation
413,630.48 : 620,371.80 = 110,026.28 : x - Step 2: Convert to fraction form
413,630.48/620,371.80 = 110,026.28/x - Step 3: Cross multiply
413,630.48x = 620,371.80 × 110,026.28 - Step 4: Simplify right side
413,630.48x = 68,257,198,269.05 - Step 5: Solve for x
x = 68,257,198,269.05/413,630.48 - Step 6: Final answer
x = 165,019.75
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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.