Finding the Fourth Proportional to 260,721.68, 359,795.88 and 141,489.68
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Solution
The fourth proportional to 260,721.68, 359,795.88 and 141,489.68 is: 195,255.73
Step by Step Solution
- Step 1: Write the proportion equation
260,721.68 : 359,795.88 = 141,489.68 : x - Step 2: Convert to fraction form
260,721.68/359,795.88 = 141,489.68/x - Step 3: Cross multiply
260,721.68x = 359,795.88 × 141,489.68 - Step 4: Simplify right side
260,721.68x = 50,907,402,127.54 - Step 5: Solve for x
x = 50,907,402,127.54/260,721.68 - Step 6: Final answer
x = 195,255.73
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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.