Finding the Fourth Proportional to 239,058.75, 329,901.08 and 133,074.75
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Solution
The fourth proportional to 239,058.75, 329,901.08 and 133,074.75 is: 183,643.16
Step by Step Solution
- Step 1: Write the proportion equation
239,058.75 : 329,901.08 = 133,074.75 : x - Step 2: Convert to fraction form
239,058.75/329,901.08 = 133,074.75/x - Step 3: Cross multiply
239,058.75x = 329,901.08 × 133,074.75 - Step 4: Simplify right side
239,058.75x = 43,901,503,745.73 - Step 5: Solve for x
x = 43,901,503,745.73/239,058.75 - Step 6: Final answer
x = 183,643.16
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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.