Finding the Fourth Proportional to 178,416.18, 246,217.71 and 97,838.91
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Solution
The fourth proportional to 178,416.18, 246,217.71 and 97,838.91 is: 135,019.55
Step by Step Solution
- Step 1: Write the proportion equation
178,416.18 : 246,217.71 = 97,838.91 : x - Step 2: Convert to fraction form
178,416.18/246,217.71 = 97,838.91/x - Step 3: Cross multiply
178,416.18x = 246,217.71 × 97,838.91 - Step 4: Simplify right side
178,416.18x = 24,089,672,369.10 - Step 5: Solve for x
x = 24,089,672,369.10/178,416.18 - Step 6: Final answer
x = 135,019.55
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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.