Finding the Fourth Proportional to 270,888.40, 373,849.32 and 157,721.68
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Solution
The fourth proportional to 270,888.40, 373,849.32 and 157,721.68 is: 217,669.50
Step by Step Solution
- Step 1: Write the proportion equation
270,888.40 : 373,849.32 = 157,721.68 : x - Step 2: Convert to fraction form
270,888.40/373,849.32 = 157,721.68/x - Step 3: Cross multiply
270,888.40x = 373,849.32 × 157,721.68 - Step 4: Simplify right side
270,888.40x = 58,964,142,817.26 - Step 5: Solve for x
x = 58,964,142,817.26/270,888.40 - Step 6: Final answer
x = 217,669.50
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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.