Finding the Fourth Proportional to 259,567.70, 389,063.55 and 101,743.70
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Solution
The fourth proportional to 259,567.70, 389,063.55 and 101,743.70 is: 152,502.66
Step by Step Solution
- Step 1: Write the proportion equation
259,567.70 : 389,063.55 = 101,743.70 : x - Step 2: Convert to fraction form
259,567.70/389,063.55 = 101,743.70/x - Step 3: Cross multiply
259,567.70x = 389,063.55 × 101,743.70 - Step 4: Simplify right side
259,567.70x = 39,584,765,112.14 - Step 5: Solve for x
x = 39,584,765,112.14/259,567.70 - Step 6: Final answer
x = 152,502.66
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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.