Finding the Fourth Proportional to 178,412.40, 246,212.49 and 97,835.12
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Solution
The fourth proportional to 178,412.40, 246,212.49 and 97,835.12 is: 135,014.32
Step by Step Solution
- Step 1: Write the proportion equation
178,412.40 : 246,212.49 = 97,835.12 : x - Step 2: Convert to fraction form
178,412.40/246,212.49 = 97,835.12/x - Step 3: Cross multiply
178,412.40x = 246,212.49 × 97,835.12 - Step 4: Simplify right side
178,412.40x = 24,088,228,504.65 - Step 5: Solve for x
x = 24,088,228,504.65/178,412.40 - Step 6: Final answer
x = 135,014.32
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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.