Finding the Fourth Proportional to 98,059.68, 147,138.12 and 38,894.08
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Solution
The fourth proportional to 98,059.68, 147,138.12 and 38,894.08 is: 58,360.40
Step by Step Solution
- Step 1: Write the proportion equation
98,059.68 : 147,138.12 = 38,894.08 : x - Step 2: Convert to fraction form
98,059.68/147,138.12 = 38,894.08/x - Step 3: Cross multiply
98,059.68x = 147,138.12 × 38,894.08 - Step 4: Simplify right side
98,059.68x = 5,722,801,810.33 - Step 5: Solve for x
x = 5,722,801,810.33/98,059.68 - Step 6: Final answer
x = 58,360.40
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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.