Finding the Fourth Proportional to 628,837.21, 943,402.02 and 179,564.23
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Solution
The fourth proportional to 628,837.21, 943,402.02 and 179,564.23 is: 269,388.09
Step by Step Solution
- Step 1: Write the proportion equation
628,837.21 : 943,402.02 = 179,564.23 : x - Step 2: Convert to fraction form
628,837.21/943,402.02 = 179,564.23/x - Step 3: Cross multiply
628,837.21x = 943,402.02 × 179,564.23 - Step 4: Simplify right side
628,837.21x = 169,401,257,301.75 - Step 5: Solve for x
x = 169,401,257,301.75/628,837.21 - Step 6: Final answer
x = 269,388.09
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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.