Finding the Fourth Proportional to 136,277.44, 204,417.98 and 42,783.19
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Solution
The fourth proportional to 136,277.44, 204,417.98 and 42,783.19 is: 64,175.35
Step by Step Solution
- Step 1: Write the proportion equation
136,277.44 : 204,417.98 = 42,783.19 : x - Step 2: Convert to fraction form
136,277.44/204,417.98 = 42,783.19/x - Step 3: Cross multiply
136,277.44x = 204,417.98 × 42,783.19 - Step 4: Simplify right side
136,277.44x = 8,745,652,713.23 - Step 5: Solve for x
x = 8,745,652,713.23/136,277.44 - Step 6: Final answer
x = 64,175.35
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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.