Finding the Fourth Proportional to 499,914.18, 689,879.64 and 270,470.70
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Solution
The fourth proportional to 499,914.18, 689,879.64 and 270,470.70 is: 373,248.52
Step by Step Solution
- Step 1: Write the proportion equation
499,914.18 : 689,879.64 = 270,470.70 : x - Step 2: Convert to fraction form
499,914.18/689,879.64 = 270,470.70/x - Step 3: Cross multiply
499,914.18x = 689,879.64 × 270,470.70 - Step 4: Simplify right side
499,914.18x = 186,592,229,146.55 - Step 5: Solve for x
x = 186,592,229,146.55/499,914.18 - Step 6: Final answer
x = 373,248.52
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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.