Finding the Fourth Proportional to 554,475.70, 765,181.04 and 306,125.65
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Solution
The fourth proportional to 554,475.70, 765,181.04 and 306,125.65 is: 422,455.92
Step by Step Solution
- Step 1: Write the proportion equation
554,475.70 : 765,181.04 = 306,125.65 : x - Step 2: Convert to fraction form
554,475.70/765,181.04 = 306,125.65/x - Step 3: Cross multiply
554,475.70x = 765,181.04 × 306,125.65 - Step 4: Simplify right side
554,475.70x = 234,241,543,237.68 - Step 5: Solve for x
x = 234,241,543,237.68/554,475.70 - Step 6: Final answer
x = 422,455.92
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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.