Finding the Fourth Proportional to 190,377.14, 285,579.87 and 57,246.74
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Solution
The fourth proportional to 190,377.14, 285,579.87 and 57,246.74 is: 85,874.37
Step by Step Solution
- Step 1: Write the proportion equation
190,377.14 : 285,579.87 = 57,246.74 : x - Step 2: Convert to fraction form
190,377.14/285,579.87 = 57,246.74/x - Step 3: Cross multiply
190,377.14x = 285,579.87 × 57,246.74 - Step 4: Simplify right side
190,377.14x = 16,348,516,567.12 - Step 5: Solve for x
x = 16,348,516,567.12/190,377.14 - Step 6: Final answer
x = 85,874.37
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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.