Finding the Fourth Proportional to 251,405.68, 377,164.16 and 82,978.08
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Solution
The fourth proportional to 251,405.68, 377,164.16 and 82,978.08 is: 124,485.48
Step by Step Solution
- Step 1: Write the proportion equation
251,405.68 : 377,164.16 = 82,978.08 : x - Step 2: Convert to fraction form
251,405.68/377,164.16 = 82,978.08/x - Step 3: Cross multiply
251,405.68x = 377,164.16 × 82,978.08 - Step 4: Simplify right side
251,405.68x = 31,296,357,841.61 - Step 5: Solve for x
x = 31,296,357,841.61/251,405.68 - Step 6: Final answer
x = 124,485.48
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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.