Finding the Fourth Proportional to 297,897.62, 411,102.68 and 161,933.65
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Solution
The fourth proportional to 297,897.62, 411,102.68 and 161,933.65 is: 223,470.59
Step by Step Solution
- Step 1: Write the proportion equation
297,897.62 : 411,102.68 = 161,933.65 : x - Step 2: Convert to fraction form
297,897.62/411,102.68 = 161,933.65/x - Step 3: Cross multiply
297,897.62x = 411,102.68 × 161,933.65 - Step 4: Simplify right side
297,897.62x = 66,571,355,659.76 - Step 5: Solve for x
x = 66,571,355,659.76/297,897.62 - Step 6: Final answer
x = 223,470.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.