Finding the Fourth Proportional to 98,223.30, 147,307.99 and 27,128.94
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Solution
The fourth proportional to 98,223.30, 147,307.99 and 27,128.94 is: 40,685.96
Step by Step Solution
- Step 1: Write the proportion equation
98,223.30 : 147,307.99 = 27,128.94 : x - Step 2: Convert to fraction form
98,223.30/147,307.99 = 27,128.94/x - Step 3: Cross multiply
98,223.30x = 147,307.99 × 27,128.94 - Step 4: Simplify right side
98,223.30x = 3,996,309,622.23 - Step 5: Solve for x
x = 3,996,309,622.23/98,223.30 - Step 6: Final answer
x = 40,685.96
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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.