Finding the Fourth Proportional to 505,237.44, 697,233.36 and 278,882.88
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Solution
The fourth proportional to 505,237.44, 697,233.36 and 278,882.88 is: 384,861.52
Step by Step Solution
- Step 1: Write the proportion equation
505,237.44 : 697,233.36 = 278,882.88 : x - Step 2: Convert to fraction form
505,237.44/697,233.36 = 278,882.88/x - Step 3: Cross multiply
505,237.44x = 697,233.36 × 278,882.88 - Step 4: Simplify right side
505,237.44x = 194,446,447,468.88 - Step 5: Solve for x
x = 194,446,447,468.88/505,237.44 - Step 6: Final answer
x = 384,861.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.