Finding the Fourth Proportional to 642,950.64, 964,352.00 and 169,672.91
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Solution
The fourth proportional to 642,950.64, 964,352.00 and 169,672.91 is: 254,489.84
Step by Step Solution
- Step 1: Write the proportion equation
642,950.64 : 964,352.00 = 169,672.91 : x - Step 2: Convert to fraction form
642,950.64/964,352.00 = 169,672.91/x - Step 3: Cross multiply
642,950.64x = 964,352.00 × 169,672.91 - Step 4: Simplify right side
642,950.64x = 163,624,404,434.20 - Step 5: Solve for x
x = 163,624,404,434.20/642,950.64 - Step 6: Final answer
x = 254,489.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.