Finding the Fourth Proportional to 163,038.80, 244,558.20 and 143,793.20
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Solution
The fourth proportional to 163,038.80, 244,558.20 and 143,793.20 is: 215,689.80
Step by Step Solution
- Step 1: Write the proportion equation
163,038.80 : 244,558.20 = 143,793.20 : x - Step 2: Convert to fraction form
163,038.80/244,558.20 = 143,793.20/x - Step 3: Cross multiply
163,038.80x = 244,558.20 × 143,793.20 - Step 4: Simplify right side
163,038.80x = 35,165,806,164.24 - Step 5: Solve for x
x = 35,165,806,164.24/163,038.80 - Step 6: Final answer
x = 215,689.80
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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.