Finding the Fourth Proportional to 487,930.26, 673,347.12 and 273,090.18
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Solution
The fourth proportional to 487,930.26, 673,347.12 and 273,090.18 is: 376,866.33
Step by Step Solution
- Step 1: Write the proportion equation
487,930.26 : 673,347.12 = 273,090.18 : x - Step 2: Convert to fraction form
487,930.26/673,347.12 = 273,090.18/x - Step 3: Cross multiply
487,930.26x = 673,347.12 × 273,090.18 - Step 4: Simplify right side
487,930.26x = 183,884,486,203.28 - Step 5: Solve for x
x = 183,884,486,203.28/487,930.26 - Step 6: Final answer
x = 376,866.33
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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.