Finding the Fourth Proportional to 554,900.68, 765,758.91 and 313,181.13
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Solution
The fourth proportional to 554,900.68, 765,758.91 and 313,181.13 is: 432,187.70
Step by Step Solution
- Step 1: Write the proportion equation
554,900.68 : 765,758.91 = 313,181.13 : x - Step 2: Convert to fraction form
554,900.68/765,758.91 = 313,181.13/x - Step 3: Cross multiply
554,900.68x = 765,758.91 × 313,181.13 - Step 4: Simplify right side
554,900.68x = 239,821,244,787.39 - Step 5: Solve for x
x = 239,821,244,787.39/554,900.68 - Step 6: Final answer
x = 432,187.70
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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.