Finding the Fourth Proportional to 228,207.05, 314,901.49 and 126,216.30
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Solution
The fourth proportional to 228,207.05, 314,901.49 and 126,216.30 is: 174,165.09
Step by Step Solution
- Step 1: Write the proportion equation
228,207.05 : 314,901.49 = 126,216.30 : x - Step 2: Convert to fraction form
228,207.05/314,901.49 = 126,216.30/x - Step 3: Cross multiply
228,207.05x = 314,901.49 × 126,216.30 - Step 4: Simplify right side
228,207.05x = 39,745,700,301.21 - Step 5: Solve for x
x = 39,745,700,301.21/228,207.05 - Step 6: Final answer
x = 174,165.09
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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.