Finding the Fourth Proportional to 402,901.02, 555,964.82 and 221,610.06
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Solution
The fourth proportional to 402,901.02, 555,964.82 and 221,610.06 is: 305,800.66
Step by Step Solution
- Step 1: Write the proportion equation
402,901.02 : 555,964.82 = 221,610.06 : x - Step 2: Convert to fraction form
402,901.02/555,964.82 = 221,610.06/x - Step 3: Cross multiply
402,901.02x = 555,964.82 × 221,610.06 - Step 4: Simplify right side
402,901.02x = 123,207,397,118.09 - Step 5: Solve for x
x = 123,207,397,118.09/402,901.02 - Step 6: Final answer
x = 305,800.66
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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.