Finding the Fourth Proportional to 891,427.20, 1,337,143.68 and 226,579.20
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Solution
The fourth proportional to 891,427.20, 1,337,143.68 and 226,579.20 is: 339,869.53
Step by Step Solution
- Step 1: Write the proportion equation
891,427.20 : 1,337,143.68 = 226,579.20 : x - Step 2: Convert to fraction form
891,427.20/1,337,143.68 = 226,579.20/x - Step 3: Cross multiply
891,427.20x = 1,337,143.68 × 226,579.20 - Step 4: Simplify right side
891,427.20x = 302,968,945,299.46 - Step 5: Solve for x
x = 302,968,945,299.46/891,427.20 - Step 6: Final answer
x = 339,869.53
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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.