Finding the Fourth Proportional to 377,003.18, 520,251.21 and 207,236.09
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Solution
The fourth proportional to 377,003.18, 520,251.21 and 207,236.09 is: 285,978.56
Step by Step Solution
- Step 1: Write the proportion equation
377,003.18 : 520,251.21 = 207,236.09 : x - Step 2: Convert to fraction form
377,003.18/520,251.21 = 207,236.09/x - Step 3: Cross multiply
377,003.18x = 520,251.21 × 207,236.09 - Step 4: Simplify right side
377,003.18x = 107,814,827,878.80 - Step 5: Solve for x
x = 107,814,827,878.80/377,003.18 - Step 6: Final answer
x = 285,978.56
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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.