Finding the Fourth Proportional to 176,440.26, 243,520.36 and 100,988.76
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Solution
The fourth proportional to 176,440.26, 243,520.36 and 100,988.76 is: 139,383.26
Step by Step Solution
- Step 1: Write the proportion equation
176,440.26 : 243,520.36 = 100,988.76 : x - Step 2: Convert to fraction form
176,440.26/243,520.36 = 100,988.76/x - Step 3: Cross multiply
176,440.26x = 243,520.36 × 100,988.76 - Step 4: Simplify right side
176,440.26x = 24,592,819,191.15 - Step 5: Solve for x
x = 24,592,819,191.15/176,440.26 - Step 6: Final answer
x = 139,383.26
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1.5x scale
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.