Finding the Fourth Proportional to 555,855.25, 834,898.65 and 331,653.19
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Solution
The fourth proportional to 555,855.25, 834,898.65 and 331,653.19 is: 498,145.52
Step by Step Solution
- Step 1: Write the proportion equation
555,855.25 : 834,898.65 = 331,653.19 : x - Step 2: Convert to fraction form
555,855.25/834,898.65 = 331,653.19/x - Step 3: Cross multiply
555,855.25x = 834,898.65 × 331,653.19 - Step 4: Simplify right side
555,855.25x = 276,896,800,599.19 - Step 5: Solve for x
x = 276,896,800,599.19/555,855.25 - Step 6: Final answer
x = 498,145.52
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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.