Finding the Fourth Proportional to 178,058.12, 245,720.92 and 97,493.12
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Solution
The fourth proportional to 178,058.12, 245,720.92 and 97,493.12 is: 134,540.90
Step by Step Solution
- Step 1: Write the proportion equation
178,058.12 : 245,720.92 = 97,493.12 : x - Step 2: Convert to fraction form
178,058.12/245,720.92 = 97,493.12/x - Step 3: Cross multiply
178,058.12x = 245,720.92 × 97,493.12 - Step 4: Simplify right side
178,058.12x = 23,956,099,140.07 - Step 5: Solve for x
x = 23,956,099,140.07/178,058.12 - Step 6: Final answer
x = 134,540.90
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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.