Finding the Fourth Proportional to 127,329.58, 190,928.67 and 57,148.84
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Solution
The fourth proportional to 127,329.58, 190,928.67 and 57,148.84 is: 85,693.77
Step by Step Solution
- Step 1: Write the proportion equation
127,329.58 : 190,928.67 = 57,148.84 : x - Step 2: Convert to fraction form
127,329.58/190,928.67 = 57,148.84/x - Step 3: Cross multiply
127,329.58x = 190,928.67 × 57,148.84 - Step 4: Simplify right side
127,329.58x = 10,911,352,013.24 - Step 5: Solve for x
x = 10,911,352,013.24/127,329.58 - Step 6: Final answer
x = 85,693.77
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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.