Finding the Fourth Proportional to 442,961.20, 664,119.84 and 176,641.84
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Solution
The fourth proportional to 442,961.20, 664,119.84 and 176,641.84 is: 264,834.37
Step by Step Solution
- Step 1: Write the proportion equation
442,961.20 : 664,119.84 = 176,641.84 : x - Step 2: Convert to fraction form
442,961.20/664,119.84 = 176,641.84/x - Step 3: Cross multiply
442,961.20x = 664,119.84 × 176,641.84 - Step 4: Simplify right side
442,961.20x = 117,311,350,518.11 - Step 5: Solve for x
x = 117,311,350,518.11/442,961.20 - Step 6: Final answer
x = 264,834.37
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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.