Finding the Fourth Proportional to 304,489.80, 456,734.70 and 79,849.80
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Solution
The fourth proportional to 304,489.80, 456,734.70 and 79,849.80 is: 119,774.70
Step by Step Solution
- Step 1: Write the proportion equation
304,489.80 : 456,734.70 = 79,849.80 : x - Step 2: Convert to fraction form
304,489.80/456,734.70 = 79,849.80/x - Step 3: Cross multiply
304,489.80x = 456,734.70 × 79,849.80 - Step 4: Simplify right side
304,489.80x = 36,470,174,448.06 - Step 5: Solve for x
x = 36,470,174,448.06/304,489.80 - Step 6: Final answer
x = 119,774.70
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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.