Finding the Fourth Proportional to 145,004.08, 199,990.20 and 119,809.84
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Solution
The fourth proportional to 145,004.08, 199,990.20 and 119,809.84 is: 165,242.20
Step by Step Solution
- Step 1: Write the proportion equation
145,004.08 : 199,990.20 = 119,809.84 : x - Step 2: Convert to fraction form
145,004.08/199,990.20 = 119,809.84/x - Step 3: Cross multiply
145,004.08x = 199,990.20 × 119,809.84 - Step 4: Simplify right side
145,004.08x = 23,960,793,863.57 - Step 5: Solve for x
x = 23,960,793,863.57/145,004.08 - Step 6: Final answer
x = 165,242.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.