Finding the Fourth Proportional to 285,267.42, 427,776.33 and 135,550.62
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Solution
The fourth proportional to 285,267.42, 427,776.33 and 135,550.62 is: 203,266.63
Step by Step Solution
- Step 1: Write the proportion equation
285,267.42 : 427,776.33 = 135,550.62 : x - Step 2: Convert to fraction form
285,267.42/427,776.33 = 135,550.62/x - Step 3: Cross multiply
285,267.42x = 427,776.33 × 135,550.62 - Step 4: Simplify right side
285,267.42x = 57,985,346,752.82 - Step 5: Solve for x
x = 57,985,346,752.82/285,267.42 - Step 6: Final answer
x = 203,266.63
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1.5x scale
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.