Finding the Fourth Proportional to 442,698.21, 610,861.91 and 251,690.49
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Solution
The fourth proportional to 442,698.21, 610,861.91 and 251,690.49 is: 347,297.84
Step by Step Solution
- Step 1: Write the proportion equation
442,698.21 : 610,861.91 = 251,690.49 : x - Step 2: Convert to fraction form
442,698.21/610,861.91 = 251,690.49/x - Step 3: Cross multiply
442,698.21x = 610,861.91 × 251,690.49 - Step 4: Simplify right side
442,698.21x = 153,748,132,191.78 - Step 5: Solve for x
x = 153,748,132,191.78/442,698.21 - Step 6: Final answer
x = 347,297.84
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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.