Finding the Fourth Proportional to 79,502.08, 119,258.64 and 26,893.78
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Solution
The fourth proportional to 79,502.08, 119,258.64 and 26,893.78 is: 40,342.54
Step by Step Solution
- Step 1: Write the proportion equation
79,502.08 : 119,258.64 = 26,893.78 : x - Step 2: Convert to fraction form
79,502.08/119,258.64 = 26,893.78/x - Step 3: Cross multiply
79,502.08x = 119,258.64 × 26,893.78 - Step 4: Simplify right side
79,502.08x = 3,207,315,627.26 - Step 5: Solve for x
x = 3,207,315,627.26/79,502.08 - Step 6: Final answer
x = 40,342.54
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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.