Finding the Fourth Proportional to 402,924.08, 555,996.56 and 221,633.12
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Solution
The fourth proportional to 402,924.08, 555,996.56 and 221,633.12 is: 305,832.43
Step by Step Solution
- Step 1: Write the proportion equation
402,924.08 : 555,996.56 = 221,633.12 : x - Step 2: Convert to fraction form
402,924.08/555,996.56 = 221,633.12/x - Step 3: Cross multiply
402,924.08x = 555,996.56 × 221,633.12 - Step 4: Simplify right side
402,924.08x = 123,227,252,302.07 - Step 5: Solve for x
x = 123,227,252,302.07/402,924.08 - Step 6: Final answer
x = 305,832.43
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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.