Finding the Fourth Proportional to 380,102.92, 570,142.62 and 180,566.92
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Solution
The fourth proportional to 380,102.92, 570,142.62 and 180,566.92 is: 270,844.79
Step by Step Solution
- Step 1: Write the proportion equation
380,102.92 : 570,142.62 = 180,566.92 : x - Step 2: Convert to fraction form
380,102.92/570,142.62 = 180,566.92/x - Step 3: Cross multiply
380,102.92x = 570,142.62 × 180,566.92 - Step 4: Simplify right side
380,102.92x = 102,948,896,854.13 - Step 5: Solve for x
x = 102,948,896,854.13/380,102.92 - Step 6: Final answer
x = 270,844.79
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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.