Finding the Fourth Proportional to 185,538.42, 278,390.68 and 106,652.64
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Solution
The fourth proportional to 185,538.42, 278,390.68 and 106,652.64 is: 160,026.70
Step by Step Solution
- Step 1: Write the proportion equation
185,538.42 : 278,390.68 = 106,652.64 : x - Step 2: Convert to fraction form
185,538.42/278,390.68 = 106,652.64/x - Step 3: Cross multiply
185,538.42x = 278,390.68 × 106,652.64 - Step 4: Simplify right side
185,538.42x = 29,691,100,973.40 - Step 5: Solve for x
x = 29,691,100,973.40/185,538.42 - Step 6: Final answer
x = 160,026.70
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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.