Finding the Fourth Proportional to 306,950.70, 423,575.42 and 169,125.02
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Solution
The fourth proportional to 306,950.70, 423,575.42 and 169,125.02 is: 233,383.41
Step by Step Solution
- Step 1: Write the proportion equation
306,950.70 : 423,575.42 = 169,125.02 : x - Step 2: Convert to fraction form
306,950.70/423,575.42 = 169,125.02/x - Step 3: Cross multiply
306,950.70x = 423,575.42 × 169,125.02 - Step 4: Simplify right side
306,950.70x = 71,637,201,379.01 - Step 5: Solve for x
x = 71,637,201,379.01/306,950.70 - Step 6: Final answer
x = 233,383.41
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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.