Finding the Fourth Proportional to 98,387.28, 147,580.92 and 28,266.66
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Solution
The fourth proportional to 98,387.28, 147,580.92 and 28,266.66 is: 42,399.99
Step by Step Solution
- Step 1: Write the proportion equation
98,387.28 : 147,580.92 = 28,266.66 : x - Step 2: Convert to fraction form
98,387.28/147,580.92 = 28,266.66/x - Step 3: Cross multiply
98,387.28x = 147,580.92 × 28,266.66 - Step 4: Simplify right side
98,387.28x = 4,171,619,688.13 - Step 5: Solve for x
x = 4,171,619,688.13/98,387.28 - Step 6: Final answer
x = 42,399.99
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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.