Finding the Fourth Proportional to 210,830.99, 316,350.36 and 98,518.97
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Solution
The fourth proportional to 210,830.99, 316,350.36 and 98,518.97 is: 147,826.99
Step by Step Solution
- Step 1: Write the proportion equation
210,830.99 : 316,350.36 = 98,518.97 : x - Step 2: Convert to fraction form
210,830.99/316,350.36 = 98,518.97/x - Step 3: Cross multiply
210,830.99x = 316,350.36 × 98,518.97 - Step 4: Simplify right side
210,830.99x = 31,166,511,626.33 - Step 5: Solve for x
x = 31,166,511,626.33/210,830.99 - Step 6: Final answer
x = 147,826.99
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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.