Finding the Fourth Proportional to 275,735.34, 413,645.01 and 140,725.68
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Solution
The fourth proportional to 275,735.34, 413,645.01 and 140,725.68 is: 211,109.95
Step by Step Solution
- Step 1: Write the proportion equation
275,735.34 : 413,645.01 = 140,725.68 : x - Step 2: Convert to fraction form
275,735.34/413,645.01 = 140,725.68/x - Step 3: Cross multiply
275,735.34x = 413,645.01 × 140,725.68 - Step 4: Simplify right side
275,735.34x = 58,210,473,242.63 - Step 5: Solve for x
x = 58,210,473,242.63/275,735.34 - Step 6: Final answer
x = 211,109.95
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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.