Finding the Fourth Proportional to 190,785.36, 286,184.13 and 95,963.76
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Solution
The fourth proportional to 190,785.36, 286,184.13 and 95,963.76 is: 143,948.70
Step by Step Solution
- Step 1: Write the proportion equation
190,785.36 : 286,184.13 = 95,963.76 : x - Step 2: Convert to fraction form
190,785.36/286,184.13 = 95,963.76/x - Step 3: Cross multiply
190,785.36x = 286,184.13 × 95,963.76 - Step 4: Simplify right side
190,785.36x = 27,463,305,167.13 - Step 5: Solve for x
x = 27,463,305,167.13/190,785.36 - Step 6: Final answer
x = 143,948.70
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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.