Finding the Fourth Proportional to 667,275.73, 920,840.99 and 361,352.44
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Solution
The fourth proportional to 667,275.73, 920,840.99 and 361,352.44 is: 498,666.63
Step by Step Solution
- Step 1: Write the proportion equation
667,275.73 : 920,840.99 = 361,352.44 : x - Step 2: Convert to fraction form
667,275.73/920,840.99 = 361,352.44/x - Step 3: Cross multiply
667,275.73x = 920,840.99 × 361,352.44 - Step 4: Simplify right side
667,275.73x = 332,748,139,965.41 - Step 5: Solve for x
x = 332,748,139,965.41/667,275.73 - Step 6: Final answer
x = 498,666.63
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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.