Finding the Fourth Proportional to 539,678.22, 809,369.53 and 202,692.81
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Solution
The fourth proportional to 539,678.22, 809,369.53 and 202,692.81 is: 303,983.70
Step by Step Solution
- Step 1: Write the proportion equation
539,678.22 : 809,369.53 = 202,692.81 : x - Step 2: Convert to fraction form
539,678.22/809,369.53 = 202,692.81/x - Step 3: Cross multiply
539,678.22x = 809,369.53 × 202,692.81 - Step 4: Simplify right side
539,678.22x = 164,053,384,364.08 - Step 5: Solve for x
x = 164,053,384,364.08/539,678.22 - Step 6: Final answer
x = 303,983.70
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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.