Finding the Fourth Proportional to 475,837.09, 656,673.60 and 260,986.21
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Solution
The fourth proportional to 475,837.09, 656,673.60 and 260,986.21 is: 360,171.07
Step by Step Solution
- Step 1: Write the proportion equation
475,837.09 : 656,673.60 = 260,986.21 : x - Step 2: Convert to fraction form
475,837.09/656,673.60 = 260,986.21/x - Step 3: Cross multiply
475,837.09x = 656,673.60 × 260,986.21 - Step 4: Simplify right side
475,837.09x = 171,382,754,071.06 - Step 5: Solve for x
x = 171,382,754,071.06/475,837.09 - Step 6: Final answer
x = 360,171.07
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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.