Finding the Fourth Proportional to 377,668.62, 520,058.60 and 369,286.74
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Solution
The fourth proportional to 377,668.62, 520,058.60 and 369,286.74 is: 508,516.55
Step by Step Solution
- Step 1: Write the proportion equation
377,668.62 : 520,058.60 = 369,286.74 : x - Step 2: Convert to fraction form
377,668.62/520,058.60 = 369,286.74/x - Step 3: Cross multiply
377,668.62x = 520,058.60 × 369,286.74 - Step 4: Simplify right side
377,668.62x = 192,050,745,002.96 - Step 5: Solve for x
x = 192,050,745,002.96/377,668.62 - Step 6: Final answer
x = 508,516.55
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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.