Finding the Fourth Proportional to 276,415.64, 414,191.52 and 192,340.08
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Solution
The fourth proportional to 276,415.64, 414,191.52 and 192,340.08 is: 288,209.56
Step by Step Solution
- Step 1: Write the proportion equation
276,415.64 : 414,191.52 = 192,340.08 : x - Step 2: Convert to fraction form
276,415.64/414,191.52 = 192,340.08/x - Step 3: Cross multiply
276,415.64x = 414,191.52 × 192,340.08 - Step 4: Simplify right side
276,415.64x = 79,665,630,092.12 - Step 5: Solve for x
x = 79,665,630,092.12/276,415.64 - Step 6: Final answer
x = 288,209.56
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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.