Finding the Fourth Proportional to 432,226.88, 647,896.92 and 165,915.68
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Solution
The fourth proportional to 432,226.88, 647,896.92 and 165,915.68 is: 248,703.32
Step by Step Solution
- Step 1: Write the proportion equation
432,226.88 : 647,896.92 = 165,915.68 : x - Step 2: Convert to fraction form
432,226.88/647,896.92 = 165,915.68/x - Step 3: Cross multiply
432,226.88x = 647,896.92 × 165,915.68 - Step 4: Simplify right side
432,226.88x = 107,496,258,051.71 - Step 5: Solve for x
x = 107,496,258,051.71/432,226.88 - Step 6: Final answer
x = 248,703.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.