Finding the Fourth Proportional to 667,374.98, 920,980.22 and 361,454.99
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Solution
The fourth proportional to 667,374.98, 920,980.22 and 361,454.99 is: 498,809.37
Step by Step Solution
- Step 1: Write the proportion equation
667,374.98 : 920,980.22 = 361,454.99 : x - Step 2: Convert to fraction form
667,374.98/920,980.22 = 361,454.99/x - Step 3: Cross multiply
667,374.98x = 920,980.22 × 361,454.99 - Step 4: Simplify right side
667,374.98x = 332,892,889,798.12 - Step 5: Solve for x
x = 332,892,889,798.12/667,374.98 - Step 6: Final answer
x = 498,809.37
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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.