Finding the Fourth Proportional to 150,969.18, 226,131.36 and 115,031.10
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Solution
The fourth proportional to 150,969.18, 226,131.36 and 115,031.10 is: 172,300.99
Step by Step Solution
- Step 1: Write the proportion equation
150,969.18 : 226,131.36 = 115,031.10 : x - Step 2: Convert to fraction form
150,969.18/226,131.36 = 115,031.10/x - Step 3: Cross multiply
150,969.18x = 226,131.36 × 115,031.10 - Step 4: Simplify right side
150,969.18x = 26,012,139,085.30 - Step 5: Solve for x
x = 26,012,139,085.30/150,969.18 - Step 6: Final answer
x = 172,300.99
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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.