Finding the Fourth Proportional to 98,204.81, 147,315.70 and 27,127.42
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Solution
The fourth proportional to 98,204.81, 147,315.70 and 27,127.42 is: 40,693.48
Step by Step Solution
- Step 1: Write the proportion equation
98,204.81 : 147,315.70 = 27,127.42 : x - Step 2: Convert to fraction form
98,204.81/147,315.70 = 27,127.42/x - Step 3: Cross multiply
98,204.81x = 147,315.70 × 27,127.42 - Step 4: Simplify right side
98,204.81x = 3,996,295,322.62 - Step 5: Solve for x
x = 3,996,295,322.62/98,204.81 - Step 6: Final answer
x = 40,693.48
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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.