Finding the Fourth Proportional to 838,231.17, 1,257,334.44 and 207,144.99
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Solution
The fourth proportional to 838,231.17, 1,257,334.44 and 207,144.99 is: 310,714.44
Step by Step Solution
- Step 1: Write the proportion equation
838,231.17 : 1,257,334.44 = 207,144.99 : x - Step 2: Convert to fraction form
838,231.17/1,257,334.44 = 207,144.99/x - Step 3: Cross multiply
838,231.17x = 1,257,334.44 × 207,144.99 - Step 4: Simplify right side
838,231.17x = 260,450,530,000.46 - Step 5: Solve for x
x = 260,450,530,000.46/838,231.17 - Step 6: Final answer
x = 310,714.44
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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.