Finding the Fourth Proportional to 475,873.68, 656,724.06 and 261,022.80
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Solution
The fourth proportional to 475,873.68, 656,724.06 and 261,022.80 is: 360,221.55
Step by Step Solution
- Step 1: Write the proportion equation
475,873.68 : 656,724.06 = 261,022.80 : x - Step 2: Convert to fraction form
475,873.68/656,724.06 = 261,022.80/x - Step 3: Cross multiply
475,873.68x = 656,724.06 × 261,022.80 - Step 4: Simplify right side
475,873.68x = 171,419,952,968.57 - Step 5: Solve for x
x = 171,419,952,968.57/475,873.68 - Step 6: Final answer
x = 360,221.55
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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.