Finding the Fourth Proportional to 401,686.08, 554,337.00 and 220,397.96
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Solution
The fourth proportional to 401,686.08, 554,337.00 and 220,397.96 is: 304,154.79
Step by Step Solution
- Step 1: Write the proportion equation
401,686.08 : 554,337.00 = 220,397.96 : x - Step 2: Convert to fraction form
401,686.08/554,337.00 = 220,397.96/x - Step 3: Cross multiply
401,686.08x = 554,337.00 × 220,397.96 - Step 4: Simplify right side
401,686.08x = 122,174,744,236.37 - Step 5: Solve for x
x = 122,174,744,236.37/401,686.08 - Step 6: Final answer
x = 304,154.79
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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.