Finding the Fourth Proportional to 259,586.08, 389,379.92 and 72,599.20
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Solution
The fourth proportional to 259,586.08, 389,379.92 and 72,599.20 is: 108,899.02
Step by Step Solution
- Step 1: Write the proportion equation
259,586.08 : 389,379.92 = 72,599.20 : x - Step 2: Convert to fraction form
259,586.08/389,379.92 = 72,599.20/x - Step 3: Cross multiply
259,586.08x = 389,379.92 × 72,599.20 - Step 4: Simplify right side
259,586.08x = 28,268,670,688.06 - Step 5: Solve for x
x = 28,268,670,688.06/259,586.08 - Step 6: Final answer
x = 108,899.02
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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.