Finding the Fourth Proportional to 329,652.08, 454,930.80 and 186,435.44
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Solution
The fourth proportional to 329,652.08, 454,930.80 and 186,435.44 is: 257,287.09
Step by Step Solution
- Step 1: Write the proportion equation
329,652.08 : 454,930.80 = 186,435.44 : x - Step 2: Convert to fraction form
329,652.08/454,930.80 = 186,435.44/x - Step 3: Cross multiply
329,652.08x = 454,930.80 × 186,435.44 - Step 4: Simplify right side
329,652.08x = 84,815,223,867.55 - Step 5: Solve for x
x = 84,815,223,867.55/329,652.08 - Step 6: Final answer
x = 257,287.09
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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.