Finding the Fourth Proportional to 178,522.70, 246,363.79 and 97,948.70
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Solution
The fourth proportional to 178,522.70, 246,363.79 and 97,948.70 is: 135,170.56
Step by Step Solution
- Step 1: Write the proportion equation
178,522.70 : 246,363.79 = 97,948.70 : x - Step 2: Convert to fraction form
178,522.70/246,363.79 = 97,948.70/x - Step 3: Cross multiply
178,522.70x = 246,363.79 × 97,948.70 - Step 4: Simplify right side
178,522.70x = 24,131,012,957.57 - Step 5: Solve for x
x = 24,131,012,957.57/178,522.70 - Step 6: Final answer
x = 135,170.56
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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.