Finding the Fourth Proportional to 519,719.70, 779,579.49 and 195,568.74
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Solution
The fourth proportional to 519,719.70, 779,579.49 and 195,568.74 is: 293,353.09
Step by Step Solution
- Step 1: Write the proportion equation
519,719.70 : 779,579.49 = 195,568.74 : x - Step 2: Convert to fraction form
519,719.70/779,579.49 = 195,568.74/x - Step 3: Cross multiply
519,719.70x = 779,579.49 × 195,568.74 - Step 4: Simplify right side
519,719.70x = 152,461,378,589.14 - Step 5: Solve for x
x = 152,461,378,589.14/519,719.70 - Step 6: Final answer
x = 293,353.09
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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.