Finding the Fourth Proportional to 192,904.06, 266,299.86 and 128,480.44
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Solution
The fourth proportional to 192,904.06, 266,299.86 and 128,480.44 is: 177,364.45
Step by Step Solution
- Step 1: Write the proportion equation
192,904.06 : 266,299.86 = 128,480.44 : x - Step 2: Convert to fraction form
192,904.06/266,299.86 = 128,480.44/x - Step 3: Cross multiply
192,904.06x = 266,299.86 × 128,480.44 - Step 4: Simplify right side
192,904.06x = 34,214,323,184.74 - Step 5: Solve for x
x = 34,214,323,184.74/192,904.06 - Step 6: Final answer
x = 177,364.45
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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.