Finding the Fourth Proportional to 178,188.05, 245,905.62 and 97,615.55
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Solution
The fourth proportional to 178,188.05, 245,905.62 and 97,615.55 is: 134,712.81
Step by Step Solution
- Step 1: Write the proportion equation
178,188.05 : 245,905.62 = 97,615.55 : x - Step 2: Convert to fraction form
178,188.05/245,905.62 = 97,615.55/x - Step 3: Cross multiply
178,188.05x = 245,905.62 × 97,615.55 - Step 4: Simplify right side
178,188.05x = 24,004,212,344.39 - Step 5: Solve for x
x = 24,004,212,344.39/178,188.05 - Step 6: Final answer
x = 134,712.81
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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.