Finding the Fourth Proportional to 188,023.71, 259,486.97 and 107,454.63
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Solution
The fourth proportional to 188,023.71, 259,486.97 and 107,454.63 is: 148,295.53
Step by Step Solution
- Step 1: Write the proportion equation
188,023.71 : 259,486.97 = 107,454.63 : x - Step 2: Convert to fraction form
188,023.71/259,486.97 = 107,454.63/x - Step 3: Cross multiply
188,023.71x = 259,486.97 × 107,454.63 - Step 4: Simplify right side
188,023.71x = 27,883,075,813.90 - Step 5: Solve for x
x = 27,883,075,813.90/188,023.71 - Step 6: Final answer
x = 148,295.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.