Finding the Fourth Proportional to 415,621.76, 573,175.35 and 262,393.74
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Solution
The fourth proportional to 415,621.76, 573,175.35 and 262,393.74 is: 361,861.77
Step by Step Solution
- Step 1: Write the proportion equation
415,621.76 : 573,175.35 = 262,393.74 : x - Step 2: Convert to fraction form
415,621.76/573,175.35 = 262,393.74/x - Step 3: Cross multiply
415,621.76x = 573,175.35 × 262,393.74 - Step 4: Simplify right side
415,621.76x = 150,397,623,762.31 - Step 5: Solve for x
x = 150,397,623,762.31/415,621.76 - Step 6: Final answer
x = 361,861.77
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1.5x scale
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.