Finding the Fourth Proportional to 427,658.56, 641,701.68 and 191,170.96
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Solution
The fourth proportional to 427,658.56, 641,701.68 and 191,170.96 is: 286,852.03
Step by Step Solution
- Step 1: Write the proportion equation
427,658.56 : 641,701.68 = 191,170.96 : x - Step 2: Convert to fraction form
427,658.56/641,701.68 = 191,170.96/x - Step 3: Cross multiply
427,658.56x = 641,701.68 × 191,170.96 - Step 4: Simplify right side
427,658.56x = 122,674,726,199.21 - Step 5: Solve for x
x = 122,674,726,199.21/427,658.56 - Step 6: Final answer
x = 286,852.03
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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.