Finding the Fourth Proportional to 98,479.76, 147,706.68 and 27,407.12
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Solution
The fourth proportional to 98,479.76, 147,706.68 and 27,407.12 is: 41,107.07
Step by Step Solution
- Step 1: Write the proportion equation
98,479.76 : 147,706.68 = 27,407.12 : x - Step 2: Convert to fraction form
98,479.76/147,706.68 = 27,407.12/x - Step 3: Cross multiply
98,479.76x = 147,706.68 × 27,407.12 - Step 4: Simplify right side
98,479.76x = 4,048,214,703.56 - Step 5: Solve for x
x = 4,048,214,703.56/98,479.76 - Step 6: Final answer
x = 41,107.07
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1.5x scale
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.