Finding the Fourth Proportional to 354,314.68, 531,692.43 and 143,952.62
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Solution
The fourth proportional to 354,314.68, 531,692.43 and 143,952.62 is: 216,018.48
Step by Step Solution
- Step 1: Write the proportion equation
354,314.68 : 531,692.43 = 143,952.62 : x - Step 2: Convert to fraction form
354,314.68/531,692.43 = 143,952.62/x - Step 3: Cross multiply
354,314.68x = 531,692.43 × 143,952.62 - Step 4: Simplify right side
354,314.68x = 76,538,517,003.44 - Step 5: Solve for x
x = 76,538,517,003.44/354,314.68 - Step 6: Final answer
x = 216,018.48
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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.