Finding the Fourth Proportional to 586,326.40, 879,559.68 and 207,168.64
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Solution
The fourth proportional to 586,326.40, 879,559.68 and 207,168.64 is: 310,777.72
Step by Step Solution
- Step 1: Write the proportion equation
586,326.40 : 879,559.68 = 207,168.64 : x - Step 2: Convert to fraction form
586,326.40/879,559.68 = 207,168.64/x - Step 3: Cross multiply
586,326.40x = 879,559.68 × 207,168.64 - Step 4: Simplify right side
586,326.40x = 182,217,182,704.44 - Step 5: Solve for x
x = 182,217,182,704.44/586,326.40 - Step 6: Final answer
x = 310,777.72
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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.