Finding the Fourth Proportional to 304,297.70, 456,446.55 and 135,817.70
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Solution
The fourth proportional to 304,297.70, 456,446.55 and 135,817.70 is: 203,726.55
Step by Step Solution
- Step 1: Write the proportion equation
304,297.70 : 456,446.55 = 135,817.70 : x - Step 2: Convert to fraction form
304,297.70/456,446.55 = 135,817.70/x - Step 3: Cross multiply
304,297.70x = 456,446.55 × 135,817.70 - Step 4: Simplify right side
304,297.70x = 61,993,520,593.94 - Step 5: Solve for x
x = 61,993,520,593.94/304,297.70 - Step 6: Final answer
x = 203,726.55
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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.