Finding the Fourth Proportional to 306,975.24, 423,609.30 and 169,149.84
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Solution
The fourth proportional to 306,975.24, 423,609.30 and 169,149.84 is: 233,417.67
Step by Step Solution
- Step 1: Write the proportion equation
306,975.24 : 423,609.30 = 169,149.84 : x - Step 2: Convert to fraction form
306,975.24/423,609.30 = 169,149.84/x - Step 3: Cross multiply
306,975.24x = 423,609.30 × 169,149.84 - Step 4: Simplify right side
306,975.24x = 71,653,445,317.51 - Step 5: Solve for x
x = 71,653,445,317.51/306,975.24 - Step 6: Final answer
x = 233,417.67
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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.