Finding the Fourth Proportional to 286,204.80, 429,379.68 and 202,129.20
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Solution
The fourth proportional to 286,204.80, 429,379.68 and 202,129.20 is: 303,244.99
Step by Step Solution
- Step 1: Write the proportion equation
286,204.80 : 429,379.68 = 202,129.20 : x - Step 2: Convert to fraction form
286,204.80/429,379.68 = 202,129.20/x - Step 3: Cross multiply
286,204.80x = 429,379.68 × 202,129.20 - Step 4: Simplify right side
286,204.80x = 86,790,171,214.66 - Step 5: Solve for x
x = 86,790,171,214.66/286,204.80 - Step 6: Final answer
x = 303,244.99
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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.