Finding the Fourth Proportional to 178,659.36, 246,554.73 and 101,129.00
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Solution
The fourth proportional to 178,659.36, 246,554.73 and 101,129.00 is: 139,560.74
Step by Step Solution
- Step 1: Write the proportion equation
178,659.36 : 246,554.73 = 101,129.00 : x - Step 2: Convert to fraction form
178,659.36/246,554.73 = 101,129.00/x - Step 3: Cross multiply
178,659.36x = 246,554.73 × 101,129.00 - Step 4: Simplify right side
178,659.36x = 24,933,832,057.40 - Step 5: Solve for x
x = 24,933,832,057.40/178,659.36 - Step 6: Final answer
x = 139,560.74
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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.