Finding the Fourth Proportional to 98,426.64, 147,630.60 and 39,246.48
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Solution
The fourth proportional to 98,426.64, 147,630.60 and 39,246.48 is: 58,865.99
Step by Step Solution
- Step 1: Write the proportion equation
98,426.64 : 147,630.60 = 39,246.48 : x - Step 2: Convert to fraction form
98,426.64/147,630.60 = 39,246.48/x - Step 3: Cross multiply
98,426.64x = 147,630.60 × 39,246.48 - Step 4: Simplify right side
98,426.64x = 5,793,981,390.29 - Step 5: Solve for x
x = 5,793,981,390.29/98,426.64 - Step 6: Final answer
x = 58,865.99
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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.