Finding the Fourth Proportional to 142,449.72, 213,595.68 and 58,268.99
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Solution
The fourth proportional to 142,449.72, 213,595.68 and 58,268.99 is: 87,371.21
Step by Step Solution
- Step 1: Write the proportion equation
142,449.72 : 213,595.68 = 58,268.99 : x - Step 2: Convert to fraction form
142,449.72/213,595.68 = 58,268.99/x - Step 3: Cross multiply
142,449.72x = 213,595.68 × 58,268.99 - Step 4: Simplify right side
142,449.72x = 12,446,004,541.96 - Step 5: Solve for x
x = 12,446,004,541.96/142,449.72 - Step 6: Final answer
x = 87,371.21
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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.