Finding the Fourth Proportional to 134,558.79, 201,647.89 and 74,613.67
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Solution
The fourth proportional to 134,558.79, 201,647.89 and 74,613.67 is: 111,814.99
Step by Step Solution
- Step 1: Write the proportion equation
134,558.79 : 201,647.89 = 74,613.67 : x - Step 2: Convert to fraction form
134,558.79/201,647.89 = 74,613.67/x - Step 3: Cross multiply
134,558.79x = 201,647.89 × 74,613.67 - Step 4: Simplify right side
134,558.79x = 15,045,689,465.98 - Step 5: Solve for x
x = 15,045,689,465.98/134,558.79 - Step 6: Final answer
x = 111,814.99
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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.