Finding the Fourth Proportional to 465,624.19, 698,288.67 and 199,313.20
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Solution
The fourth proportional to 465,624.19, 698,288.67 and 199,313.20 is: 298,906.61
Step by Step Solution
- Step 1: Write the proportion equation
465,624.19 : 698,288.67 = 199,313.20 : x - Step 2: Convert to fraction form
465,624.19/698,288.67 = 199,313.20/x - Step 3: Cross multiply
465,624.19x = 698,288.67 × 199,313.20 - Step 4: Simplify right side
465,624.19x = 139,178,149,341.44 - Step 5: Solve for x
x = 139,178,149,341.44/465,624.19 - Step 6: Final answer
x = 298,906.61
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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.