Finding the Fourth Proportional to 415,207.25, 623,075.79 and 148,961.87
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Solution
The fourth proportional to 415,207.25, 623,075.79 and 148,961.87 is: 223,537.85
Step by Step Solution
- Step 1: Write the proportion equation
415,207.25 : 623,075.79 = 148,961.87 : x - Step 2: Convert to fraction form
415,207.25/623,075.79 = 148,961.87/x - Step 3: Cross multiply
415,207.25x = 623,075.79 × 148,961.87 - Step 4: Simplify right side
415,207.25x = 92,814,534,830.13 - Step 5: Solve for x
x = 92,814,534,830.13/415,207.25 - Step 6: Final answer
x = 223,537.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.