Finding the Fourth Proportional to 401,761.32, 554,434.80 and 220,484.99
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Solution
The fourth proportional to 401,761.32, 554,434.80 and 220,484.99 is: 304,271.58
Step by Step Solution
- Step 1: Write the proportion equation
401,761.32 : 554,434.80 = 220,484.99 : x - Step 2: Convert to fraction form
401,761.32/554,434.80 = 220,484.99/x - Step 3: Cross multiply
401,761.32x = 554,434.80 × 220,484.99 - Step 4: Simplify right side
401,761.32x = 122,244,549,394.34 - Step 5: Solve for x
x = 122,244,549,394.34/401,761.32 - Step 6: Final answer
x = 304,271.58
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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.