Finding the Fourth Proportional to 376,874.96, 520,087.45 and 207,109.09
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Solution
The fourth proportional to 376,874.96, 520,087.45 and 207,109.09 is: 285,810.54
Step by Step Solution
- Step 1: Write the proportion equation
376,874.96 : 520,087.45 = 207,109.09 : x - Step 2: Convert to fraction form
376,874.96/520,087.45 = 207,109.09/x - Step 3: Cross multiply
376,874.96x = 520,087.45 × 207,109.09 - Step 4: Simplify right side
376,874.96x = 107,714,838,716.08 - Step 5: Solve for x
x = 107,714,838,716.08/376,874.96 - Step 6: Final answer
x = 285,810.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.