Finding the Fourth Proportional to 399,704.40, 599,896.80 and 163,216.80
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Solution
The fourth proportional to 399,704.40, 599,896.80 and 163,216.80 is: 244,964.12
Step by Step Solution
- Step 1: Write the proportion equation
399,704.40 : 599,896.80 = 163,216.80 : x - Step 2: Convert to fraction form
399,704.40/599,896.80 = 163,216.80/x - Step 3: Cross multiply
399,704.40x = 599,896.80 × 163,216.80 - Step 4: Simplify right side
399,704.40x = 97,913,236,026.24 - Step 5: Solve for x
x = 97,913,236,026.24/399,704.40 - Step 6: Final answer
x = 244,964.12
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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.