Finding the Fourth Proportional to 198,555.04, 297,549.84 and 98,617.28
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Solution
The fourth proportional to 198,555.04, 297,549.84 and 98,617.28 is: 147,785.50
Step by Step Solution
- Step 1: Write the proportion equation
198,555.04 : 297,549.84 = 98,617.28 : x - Step 2: Convert to fraction form
198,555.04/297,549.84 = 98,617.28/x - Step 3: Cross multiply
198,555.04x = 297,549.84 × 98,617.28 - Step 4: Simplify right side
198,555.04x = 29,343,555,885.24 - Step 5: Solve for x
x = 29,343,555,885.24/198,555.04 - Step 6: Final answer
x = 147,785.50
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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.