Finding the Fourth Proportional to 505,240.62, 697,231.95 and 278,886.06
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Solution
The fourth proportional to 505,240.62, 697,231.95 and 278,886.06 is: 384,862.70
Step by Step Solution
- Step 1: Write the proportion equation
505,240.62 : 697,231.95 = 278,886.06 : x - Step 2: Convert to fraction form
505,240.62/697,231.95 = 278,886.06/x - Step 3: Cross multiply
505,240.62x = 697,231.95 × 278,886.06 - Step 4: Simplify right side
505,240.62x = 194,448,271,441.62 - Step 5: Solve for x
x = 194,448,271,441.62/505,240.62 - Step 6: Final answer
x = 384,862.70
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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.