Finding the Fourth Proportional to 519,252.70, 778,879.05 and 203,719.90
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Solution
The fourth proportional to 519,252.70, 778,879.05 and 203,719.90 is: 305,579.85
Step by Step Solution
- Step 1: Write the proportion equation
519,252.70 : 778,879.05 = 203,719.90 : x - Step 2: Convert to fraction form
519,252.70/778,879.05 = 203,719.90/x - Step 3: Cross multiply
519,252.70x = 778,879.05 × 203,719.90 - Step 4: Simplify right side
519,252.70x = 158,673,162,178.10 - Step 5: Solve for x
x = 158,673,162,178.10/519,252.70 - Step 6: Final answer
x = 305,579.85
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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.