Finding the Fourth Proportional to 538,347.21, 807,893.76 and 214,102.07
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Solution
The fourth proportional to 538,347.21, 807,893.76 and 214,102.07 is: 321,301.43
Step by Step Solution
- Step 1: Write the proportion equation
538,347.21 : 807,893.76 = 214,102.07 : x - Step 2: Convert to fraction form
538,347.21/807,893.76 = 214,102.07/x - Step 3: Cross multiply
538,347.21x = 807,893.76 × 214,102.07 - Step 4: Simplify right side
538,347.21x = 172,971,725,285.57 - Step 5: Solve for x
x = 172,971,725,285.57/538,347.21 - Step 6: Final answer
x = 321,301.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.