Finding the Fourth Proportional to 210,277.19, 315,420.26 and 75,350.06
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Solution
The fourth proportional to 210,277.19, 315,420.26 and 75,350.06 is: 113,026.69
Step by Step Solution
- Step 1: Write the proportion equation
210,277.19 : 315,420.26 = 75,350.06 : x - Step 2: Convert to fraction form
210,277.19/315,420.26 = 75,350.06/x - Step 3: Cross multiply
210,277.19x = 315,420.26 × 75,350.06 - Step 4: Simplify right side
210,277.19x = 23,766,933,562.36 - Step 5: Solve for x
x = 23,766,933,562.36/210,277.19 - Step 6: Final answer
x = 113,026.69
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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.