Finding the Fourth Proportional to 347,017.77, 478,692.18 and 201,807.65
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Solution
The fourth proportional to 347,017.77, 478,692.18 and 201,807.65 is: 278,382.70
Step by Step Solution
- Step 1: Write the proportion equation
347,017.77 : 478,692.18 = 201,807.65 : x - Step 2: Convert to fraction form
347,017.77/478,692.18 = 201,807.65/x - Step 3: Cross multiply
347,017.77x = 478,692.18 × 201,807.65 - Step 4: Simplify right side
347,017.77x = 96,603,745,115.91 - Step 5: Solve for x
x = 96,603,745,115.91/347,017.77 - Step 6: Final answer
x = 278,382.70
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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.