Finding the Fourth Proportional to 417,693.80, 576,402.01 and 226,703.09
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Solution
The fourth proportional to 417,693.80, 576,402.01 and 226,703.09 is: 312,841.89
Step by Step Solution
- Step 1: Write the proportion equation
417,693.80 : 576,402.01 = 226,703.09 : x - Step 2: Convert to fraction form
417,693.80/576,402.01 = 226,703.09/x - Step 3: Cross multiply
417,693.80x = 576,402.01 × 226,703.09 - Step 4: Simplify right side
417,693.80x = 130,672,116,749.21 - Step 5: Solve for x
x = 130,672,116,749.21/417,693.80 - Step 6: Final answer
x = 312,841.89
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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.