Finding the Fourth Proportional to 485,134.24, 727,779.12 and 204,692.80
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Solution
The fourth proportional to 485,134.24, 727,779.12 and 204,692.80 is: 307,072.01
Step by Step Solution
- Step 1: Write the proportion equation
485,134.24 : 727,779.12 = 204,692.80 : x - Step 2: Convert to fraction form
485,134.24/727,779.12 = 204,692.80/x - Step 3: Cross multiply
485,134.24x = 727,779.12 × 204,692.80 - Step 4: Simplify right side
485,134.24x = 148,971,145,854.34 - Step 5: Solve for x
x = 148,971,145,854.34/485,134.24 - Step 6: Final answer
x = 307,072.01
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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.