Finding the Fourth Proportional to 667,102.75, 920,590.63 and 361,176.65
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Solution
The fourth proportional to 667,102.75, 920,590.63 and 361,176.65 is: 498,417.73
Step by Step Solution
- Step 1: Write the proportion equation
667,102.75 : 920,590.63 = 361,176.65 : x - Step 2: Convert to fraction form
667,102.75/920,590.63 = 361,176.65/x - Step 3: Cross multiply
667,102.75x = 920,590.63 × 361,176.65 - Step 4: Simplify right side
667,102.75x = 332,495,839,764.79 - Step 5: Solve for x
x = 332,495,839,764.79/667,102.75 - Step 6: Final answer
x = 498,417.73
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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.