Finding the Fourth Proportional to 400,230.39, 552,331.10 and 228,145.28
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Solution
The fourth proportional to 400,230.39, 552,331.10 and 228,145.28 is: 314,847.99
Step by Step Solution
- Step 1: Write the proportion equation
400,230.39 : 552,331.10 = 228,145.28 : x - Step 2: Convert to fraction form
400,230.39/552,331.10 = 228,145.28/x - Step 3: Cross multiply
400,230.39x = 552,331.10 × 228,145.28 - Step 4: Simplify right side
400,230.39x = 126,011,733,702.31 - Step 5: Solve for x
x = 126,011,733,702.31/400,230.39 - Step 6: Final answer
x = 314,847.99
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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.