Finding the Fourth Proportional to 135,235.80, 202,464.90 and 119,683.80
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Solution
The fourth proportional to 135,235.80, 202,464.90 and 119,683.80 is: 179,181.61
Step by Step Solution
- Step 1: Write the proportion equation
135,235.80 : 202,464.90 = 119,683.80 : x - Step 2: Convert to fraction form
135,235.80/202,464.90 = 119,683.80/x - Step 3: Cross multiply
135,235.80x = 202,464.90 × 119,683.80 - Step 4: Simplify right side
135,235.80x = 24,231,768,598.62 - Step 5: Solve for x
x = 24,231,768,598.62/135,235.80 - Step 6: Final answer
x = 179,181.61
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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.