Finding the Fourth Proportional to 276,075.29, 414,122.15 and 76,378.96
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Solution
The fourth proportional to 276,075.29, 414,122.15 and 76,378.96 is: 114,570.98
Step by Step Solution
- Step 1: Write the proportion equation
276,075.29 : 414,122.15 = 76,378.96 : x - Step 2: Convert to fraction form
276,075.29/414,122.15 = 76,378.96/x - Step 3: Cross multiply
276,075.29x = 414,122.15 × 76,378.96 - Step 4: Simplify right side
276,075.29x = 31,630,217,712.76 - Step 5: Solve for x
x = 31,630,217,712.76/276,075.29 - Step 6: Final answer
x = 114,570.98
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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.