Finding the Fourth Proportional to 103,446.58, 155,237.91 and 56,732.26
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Solution
The fourth proportional to 103,446.58, 155,237.91 and 56,732.26 is: 85,135.70
Step by Step Solution
- Step 1: Write the proportion equation
103,446.58 : 155,237.91 = 56,732.26 : x - Step 2: Convert to fraction form
103,446.58/155,237.91 = 56,732.26/x - Step 3: Cross multiply
103,446.58x = 155,237.91 × 56,732.26 - Step 4: Simplify right side
103,446.58x = 8,806,997,471.98 - Step 5: Solve for x
x = 8,806,997,471.98/103,446.58 - Step 6: Final answer
x = 85,135.70
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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.