Finding the Fourth Proportional to 76,357.46, 114,508.74 and 26,424.00
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Solution
The fourth proportional to 76,357.46, 114,508.74 and 26,424.00 is: 39,626.50
Step by Step Solution
- Step 1: Write the proportion equation
76,357.46 : 114,508.74 = 26,424.00 : x - Step 2: Convert to fraction form
76,357.46/114,508.74 = 26,424.00/x - Step 3: Cross multiply
76,357.46x = 114,508.74 × 26,424.00 - Step 4: Simplify right side
76,357.46x = 3,025,778,373.22 - Step 5: Solve for x
x = 3,025,778,373.22/76,357.46 - Step 6: Final answer
x = 39,626.50
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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.