Finding the Fourth Proportional to 386,058.15, 579,751.53 and 369,450.62
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Solution
The fourth proportional to 386,058.15, 579,751.53 and 369,450.62 is: 554,811.65
Step by Step Solution
- Step 1: Write the proportion equation
386,058.15 : 579,751.53 = 369,450.62 : x - Step 2: Convert to fraction form
386,058.15/579,751.53 = 369,450.62/x - Step 3: Cross multiply
386,058.15x = 579,751.53 × 369,450.62 - Step 4: Simplify right side
386,058.15x = 214,189,560,094.32 - Step 5: Solve for x
x = 214,189,560,094.32/386,058.15 - Step 6: Final answer
x = 554,811.65
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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.