Finding the Fourth Proportional to 658,067.84, 987,507.84 and 258,638.48
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Solution
The fourth proportional to 658,067.84, 987,507.84 and 258,638.48 is: 388,117.32
Step by Step Solution
- Step 1: Write the proportion equation
658,067.84 : 987,507.84 = 258,638.48 : x - Step 2: Convert to fraction form
658,067.84/987,507.84 = 258,638.48/x - Step 3: Cross multiply
658,067.84x = 987,507.84 × 258,638.48 - Step 4: Simplify right side
658,067.84x = 255,407,526,725.68 - Step 5: Solve for x
x = 255,407,526,725.68/658,067.84 - Step 6: Final answer
x = 388,117.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.