Finding the Fourth Proportional to 667,001.18, 920,455.35 and 361,069.75
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Solution
The fourth proportional to 667,001.18, 920,455.35 and 361,069.75 is: 498,272.85
Step by Step Solution
- Step 1: Write the proportion equation
667,001.18 : 920,455.35 = 361,069.75 : x - Step 2: Convert to fraction form
667,001.18/920,455.35 = 361,069.75/x - Step 3: Cross multiply
667,001.18x = 920,455.35 × 361,069.75 - Step 4: Simplify right side
667,001.18x = 332,348,582,907.22 - Step 5: Solve for x
x = 332,348,582,907.22/667,001.18 - Step 6: Final answer
x = 498,272.85
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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.