Finding the Fourth Proportional to 402,170.99, 554,995.63 and 220,887.82
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Solution
The fourth proportional to 402,170.99, 554,995.63 and 220,887.82 is: 304,825.01
Step by Step Solution
- Step 1: Write the proportion equation
402,170.99 : 554,995.63 = 220,887.82 : x - Step 2: Convert to fraction form
402,170.99/554,995.63 = 220,887.82/x - Step 3: Cross multiply
402,170.99x = 554,995.63 × 220,887.82 - Step 4: Simplify right side
402,170.99x = 122,591,775,790.08 - Step 5: Solve for x
x = 122,591,775,790.08/402,170.99 - Step 6: Final answer
x = 304,825.01
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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.