Finding the Fourth Proportional to 254,743.70, 382,115.55 and 136,645.70
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Solution
The fourth proportional to 254,743.70, 382,115.55 and 136,645.70 is: 204,968.55
Step by Step Solution
- Step 1: Write the proportion equation
254,743.70 : 382,115.55 = 136,645.70 : x - Step 2: Convert to fraction form
254,743.70/382,115.55 = 136,645.70/x - Step 3: Cross multiply
254,743.70x = 382,115.55 × 136,645.70 - Step 4: Simplify right side
254,743.70x = 52,214,446,810.64 - Step 5: Solve for x
x = 52,214,446,810.64/254,743.70 - Step 6: Final answer
x = 204,968.55
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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.