Finding the Fourth Proportional to 378,355.28, 567,534.96 and 112,118.08
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Solution
The fourth proportional to 378,355.28, 567,534.96 and 112,118.08 is: 168,177.72
Step by Step Solution
- Step 1: Write the proportion equation
378,355.28 : 567,534.96 = 112,118.08 : x - Step 2: Convert to fraction form
378,355.28/567,534.96 = 112,118.08/x - Step 3: Cross multiply
378,355.28x = 567,534.96 × 112,118.08 - Step 4: Simplify right side
378,355.28x = 63,630,930,048.08 - Step 5: Solve for x
x = 63,630,930,048.08/378,355.28 - Step 6: Final answer
x = 168,177.72
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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.