Finding the Fourth Proportional to 80,206.21, 110,692.81 and 46,215.98
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Solution
The fourth proportional to 80,206.21, 110,692.81 and 46,215.98 is: 63,782.80
Step by Step Solution
- Step 1: Write the proportion equation
80,206.21 : 110,692.81 = 46,215.98 : x - Step 2: Convert to fraction form
80,206.21/110,692.81 = 46,215.98/x - Step 3: Cross multiply
80,206.21x = 110,692.81 × 46,215.98 - Step 4: Simplify right side
80,206.21x = 5,115,776,693.10 - Step 5: Solve for x
x = 5,115,776,693.10/80,206.21 - Step 6: Final answer
x = 63,782.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.