Finding the Fourth Proportional to 306,744.23, 423,298.80 and 170,778.26
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Solution
The fourth proportional to 306,744.23, 423,298.80 and 170,778.26 is: 235,669.41
Step by Step Solution
- Step 1: Write the proportion equation
306,744.23 : 423,298.80 = 170,778.26 : x - Step 2: Convert to fraction form
306,744.23/423,298.80 = 170,778.26/x - Step 3: Cross multiply
306,744.23x = 423,298.80 × 170,778.26 - Step 4: Simplify right side
306,744.23x = 72,290,232,524.09 - Step 5: Solve for x
x = 72,290,232,524.09/306,744.23 - Step 6: Final answer
x = 235,669.41
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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.