Finding the Fourth Proportional to 417,703.08, 576,430.91 and 226,716.56
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Solution
The fourth proportional to 417,703.08, 576,430.91 and 226,716.56 is: 312,869.20
Step by Step Solution
- Step 1: Write the proportion equation
417,703.08 : 576,430.91 = 226,716.56 : x - Step 2: Convert to fraction form
417,703.08/576,430.91 = 226,716.56/x - Step 3: Cross multiply
417,703.08x = 576,430.91 × 226,716.56 - Step 4: Simplify right side
417,703.08x = 130,686,428,977.13 - Step 5: Solve for x
x = 130,686,428,977.13/417,703.08 - Step 6: Final answer
x = 312,869.20
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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.