Finding the Fourth Proportional to 228,848.05, 315,745.14 and 133,336.27
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Solution
The fourth proportional to 228,848.05, 315,745.14 and 133,336.27 is: 183,966.08
Step by Step Solution
- Step 1: Write the proportion equation
228,848.05 : 315,745.14 = 133,336.27 : x - Step 2: Convert to fraction form
228,848.05/315,745.14 = 133,336.27/x - Step 3: Cross multiply
228,848.05x = 315,745.14 × 133,336.27 - Step 4: Simplify right side
228,848.05x = 42,100,279,238.23 - Step 5: Solve for x
x = 42,100,279,238.23/228,848.05 - Step 6: Final answer
x = 183,966.08
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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.