Finding the Fourth Proportional to 411,806.34, 568,285.61 and 228,041.26
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Solution
The fourth proportional to 411,806.34, 568,285.61 and 228,041.26 is: 314,692.99
Step by Step Solution
- Step 1: Write the proportion equation
411,806.34 : 568,285.61 = 228,041.26 : x - Step 2: Convert to fraction form
411,806.34/568,285.61 = 228,041.26/x - Step 3: Cross multiply
411,806.34x = 568,285.61 × 228,041.26 - Step 4: Simplify right side
411,806.34x = 129,592,565,907.45 - Step 5: Solve for x
x = 129,592,565,907.45/411,806.34 - Step 6: Final answer
x = 314,692.99
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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.