Finding the Fourth Proportional to 329,027.40, 454,058.40 and 178,124.40
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Solution
The fourth proportional to 329,027.40, 454,058.40 and 178,124.40 is: 245,811.99
Step by Step Solution
- Step 1: Write the proportion equation
329,027.40 : 454,058.40 = 178,124.40 : x - Step 2: Convert to fraction form
329,027.40/454,058.40 = 178,124.40/x - Step 3: Cross multiply
329,027.40x = 454,058.40 × 178,124.40 - Step 4: Simplify right side
329,027.40x = 80,878,880,064.96 - Step 5: Solve for x
x = 80,878,880,064.96/329,027.40 - Step 6: Final answer
x = 245,811.99
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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.