Finding the Fourth Proportional to 140,908.23, 211,431.53 and 56,664.99
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Solution
The fourth proportional to 140,908.23, 211,431.53 and 56,664.99 is: 85,025.31
Step by Step Solution
- Step 1: Write the proportion equation
140,908.23 : 211,431.53 = 56,664.99 : x - Step 2: Convert to fraction form
140,908.23/211,431.53 = 56,664.99/x - Step 3: Cross multiply
140,908.23x = 211,431.53 × 56,664.99 - Step 4: Simplify right side
140,908.23x = 11,980,765,249.81 - Step 5: Solve for x
x = 11,980,765,249.81/140,908.23 - Step 6: Final answer
x = 85,025.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.