Finding the Fourth Proportional to 485,961.15, 728,256.68 and 229,520.36
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Solution
The fourth proportional to 485,961.15, 728,256.68 and 229,520.36 is: 343,956.99
Step by Step Solution
- Step 1: Write the proportion equation
485,961.15 : 728,256.68 = 229,520.36 : x - Step 2: Convert to fraction form
485,961.15/728,256.68 = 229,520.36/x - Step 3: Cross multiply
485,961.15x = 728,256.68 × 229,520.36 - Step 4: Simplify right side
485,961.15x = 167,149,735,366.01 - Step 5: Solve for x
x = 167,149,735,366.01/485,961.15 - Step 6: Final answer
x = 343,956.99
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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.