Finding the Fourth Proportional to 297,377.05, 410,387.70 and 161,416.66
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Solution
The fourth proportional to 297,377.05, 410,387.70 and 161,416.66 is: 222,758.99
Step by Step Solution
- Step 1: Write the proportion equation
297,377.05 : 410,387.70 = 161,416.66 : x - Step 2: Convert to fraction form
297,377.05/410,387.70 = 161,416.66/x - Step 3: Cross multiply
297,377.05x = 410,387.70 × 161,416.66 - Step 4: Simplify right side
297,377.05x = 66,243,411,839.08 - Step 5: Solve for x
x = 66,243,411,839.08/297,377.05 - Step 6: Final answer
x = 222,758.99
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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.