Finding the Fourth Proportional to 415,638.24, 573,583.10 and 262,743.65
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Solution
The fourth proportional to 415,638.24, 573,583.10 and 262,743.65 is: 362,587.71
Step by Step Solution
- Step 1: Write the proportion equation
415,638.24 : 573,583.10 = 262,743.65 : x - Step 2: Convert to fraction form
415,638.24/573,583.10 = 262,743.65/x - Step 3: Cross multiply
415,638.24x = 573,583.10 × 262,743.65 - Step 4: Simplify right side
415,638.24x = 150,705,317,272.32 - Step 5: Solve for x
x = 150,705,317,272.32/415,638.24 - Step 6: Final answer
x = 362,587.71
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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.