Finding the Fourth Proportional to 98,215.26, 147,323.16 and 31,660.26
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Solution
The fourth proportional to 98,215.26, 147,323.16 and 31,660.26 is: 47,490.48
Step by Step Solution
- Step 1: Write the proportion equation
98,215.26 : 147,323.16 = 31,660.26 : x - Step 2: Convert to fraction form
98,215.26/147,323.16 = 31,660.26/x - Step 3: Cross multiply
98,215.26x = 147,323.16 × 31,660.26 - Step 4: Simplify right side
98,215.26x = 4,664,289,549.62 - Step 5: Solve for x
x = 4,664,289,549.62/98,215.26 - Step 6: Final answer
x = 47,490.48
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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.