Finding the Fourth Proportional to 178,180.08, 245,885.40 and 97,609.20
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Solution
The fourth proportional to 178,180.08, 245,885.40 and 97,609.20 is: 134,698.99
Step by Step Solution
- Step 1: Write the proportion equation
178,180.08 : 245,885.40 = 97,609.20 : x - Step 2: Convert to fraction form
178,180.08/245,885.40 = 97,609.20/x - Step 3: Cross multiply
178,180.08x = 245,885.40 × 97,609.20 - Step 4: Simplify right side
178,180.08x = 24,000,677,185.68 - Step 5: Solve for x
x = 24,000,677,185.68/178,180.08 - Step 6: Final answer
x = 134,698.99
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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.