Finding the Fourth Proportional to 307,124.36, 423,832.58 and 178,087.88
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Solution
The fourth proportional to 307,124.36, 423,832.58 and 178,087.88 is: 245,761.83
Step by Step Solution
- Step 1: Write the proportion equation
307,124.36 : 423,832.58 = 178,087.88 : x - Step 2: Convert to fraction form
307,124.36/423,832.58 = 178,087.88/x - Step 3: Cross multiply
307,124.36x = 423,832.58 × 178,087.88 - Step 4: Simplify right side
307,124.36x = 75,479,445,647.13 - Step 5: Solve for x
x = 75,479,445,647.13/307,124.36 - Step 6: Final answer
x = 245,761.83
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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.