Finding the Fourth Proportional to 324,171.66, 485,924.94 and 124,438.26
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Solution
The fourth proportional to 324,171.66, 485,924.94 and 124,438.26 is: 186,529.74
Step by Step Solution
- Step 1: Write the proportion equation
324,171.66 : 485,924.94 = 124,438.26 : x - Step 2: Convert to fraction form
324,171.66/485,924.94 = 124,438.26/x - Step 3: Cross multiply
324,171.66x = 485,924.94 × 124,438.26 - Step 4: Simplify right side
324,171.66x = 60,467,654,024.20 - Step 5: Solve for x
x = 60,467,654,024.20/324,171.66 - Step 6: Final answer
x = 186,529.74
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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.