Finding the Fourth Proportional to 188,475.49, 260,156.79 and 120,675.07
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Solution
The fourth proportional to 188,475.49, 260,156.79 and 120,675.07 is: 166,570.41
Step by Step Solution
- Step 1: Write the proportion equation
188,475.49 : 260,156.79 = 120,675.07 : x - Step 2: Convert to fraction form
188,475.49/260,156.79 = 120,675.07/x - Step 3: Cross multiply
188,475.49x = 260,156.79 × 120,675.07 - Step 4: Simplify right side
188,475.49x = 31,394,438,844.23 - Step 5: Solve for x
x = 31,394,438,844.23/188,475.49 - Step 6: Final answer
x = 166,570.41
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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.