Finding the Fourth Proportional to 178,233.60, 245,961.60 and 97,660.80
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Solution
The fourth proportional to 178,233.60, 245,961.60 and 97,660.80 is: 134,771.48
Step by Step Solution
- Step 1: Write the proportion equation
178,233.60 : 245,961.60 = 97,660.80 : x - Step 2: Convert to fraction form
178,233.60/245,961.60 = 97,660.80/x - Step 3: Cross multiply
178,233.60x = 245,961.60 × 97,660.80 - Step 4: Simplify right side
178,233.60x = 24,020,806,625.28 - Step 5: Solve for x
x = 24,020,806,625.28/178,233.60 - Step 6: Final answer
x = 134,771.48
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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.