Finding the Fourth Proportional to 134,809.10, 202,213.65 and 119,257.10
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Solution
The fourth proportional to 134,809.10, 202,213.65 and 119,257.10 is: 178,885.65
Step by Step Solution
- Step 1: Write the proportion equation
134,809.10 : 202,213.65 = 119,257.10 : x - Step 2: Convert to fraction form
134,809.10/202,213.65 = 119,257.10/x - Step 3: Cross multiply
134,809.10x = 202,213.65 × 119,257.10 - Step 4: Simplify right side
134,809.10x = 24,115,413,479.42 - Step 5: Solve for x
x = 24,115,413,479.42/134,809.10 - Step 6: Final answer
x = 178,885.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.