Finding the Fourth Proportional to 228,918.24, 343,311.68 and 69,009.76
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Solution
The fourth proportional to 228,918.24, 343,311.68 and 69,009.76 is: 103,494.84
Step by Step Solution
- Step 1: Write the proportion equation
228,918.24 : 343,311.68 = 69,009.76 : x - Step 2: Convert to fraction form
228,918.24/343,311.68 = 69,009.76/x - Step 3: Cross multiply
228,918.24x = 343,311.68 × 69,009.76 - Step 4: Simplify right side
228,918.24x = 23,691,856,642.00 - Step 5: Solve for x
x = 23,691,856,642.00/228,918.24 - Step 6: Final answer
x = 103,494.84
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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.