Finding the Fourth Proportional to 98,380.97, 147,585.19 and 48,461.48
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Solution
The fourth proportional to 98,380.97, 147,585.19 and 48,461.48 is: 72,698.99
Step by Step Solution
- Step 1: Write the proportion equation
98,380.97 : 147,585.19 = 48,461.48 : x - Step 2: Convert to fraction form
98,380.97/147,585.19 = 48,461.48/x - Step 3: Cross multiply
98,380.97x = 147,585.19 × 48,461.48 - Step 4: Simplify right side
98,380.97x = 7,152,196,733.48 - Step 5: Solve for x
x = 7,152,196,733.48/98,380.97 - Step 6: Final answer
x = 72,698.99
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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.