Finding the Fourth Proportional to 519,719.36, 779,577.84 and 203,955.44
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Solution
The fourth proportional to 519,719.36, 779,577.84 and 203,955.44 is: 305,932.69
Step by Step Solution
- Step 1: Write the proportion equation
519,719.36 : 779,577.84 = 203,955.44 : x - Step 2: Convert to fraction form
519,719.36/779,577.84 = 203,955.44/x - Step 3: Cross multiply
519,719.36x = 779,577.84 × 203,955.44 - Step 4: Simplify right side
519,719.36x = 158,999,141,371.45 - Step 5: Solve for x
x = 158,999,141,371.45/519,719.36 - Step 6: Final answer
x = 305,932.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.