Finding the Fourth Proportional to 306,115.29, 422,553.71 and 229,854.69
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Solution
The fourth proportional to 306,115.29, 422,553.71 and 229,854.69 is: 317,285.53
Step by Step Solution
- Step 1: Write the proportion equation
306,115.29 : 422,553.71 = 229,854.69 : x - Step 2: Convert to fraction form
306,115.29/422,553.71 = 229,854.69/x - Step 3: Cross multiply
306,115.29x = 422,553.71 × 229,854.69 - Step 4: Simplify right side
306,115.29x = 97,125,950,871.13 - Step 5: Solve for x
x = 97,125,950,871.13/306,115.29 - Step 6: Final answer
x = 317,285.53
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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.