Finding the Fourth Proportional to 368,450.68, 552,676.14 and 131,779.20
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Solution
The fourth proportional to 368,450.68, 552,676.14 and 131,779.20 is: 197,668.84
Step by Step Solution
- Step 1: Write the proportion equation
368,450.68 : 552,676.14 = 131,779.20 : x - Step 2: Convert to fraction form
368,450.68/552,676.14 = 131,779.20/x - Step 3: Cross multiply
368,450.68x = 552,676.14 × 131,779.20 - Step 4: Simplify right side
368,450.68x = 72,831,219,588.29 - Step 5: Solve for x
x = 72,831,219,588.29/368,450.68 - Step 6: Final answer
x = 197,668.84
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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.