Finding the Fourth Proportional to 329,346.68, 454,498.74 and 178,443.68
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Solution
The fourth proportional to 329,346.68, 454,498.74 and 178,443.68 is: 246,252.45
Step by Step Solution
- Step 1: Write the proportion equation
329,346.68 : 454,498.74 = 178,443.68 : x - Step 2: Convert to fraction form
329,346.68/454,498.74 = 178,443.68/x - Step 3: Cross multiply
329,346.68x = 454,498.74 × 178,443.68 - Step 4: Simplify right side
329,346.68x = 81,102,427,720.96 - Step 5: Solve for x
x = 81,102,427,720.96/329,346.68 - Step 6: Final answer
x = 246,252.45
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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.