Finding the Fourth Proportional to 237,159.83, 327,288.45 and 129,729.99
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Solution
The fourth proportional to 237,159.83, 327,288.45 and 129,729.99 is: 179,031.70
Step by Step Solution
- Step 1: Write the proportion equation
237,159.83 : 327,288.45 = 129,729.99 : x - Step 2: Convert to fraction form
237,159.83/327,288.45 = 129,729.99/x - Step 3: Cross multiply
237,159.83x = 327,288.45 × 129,729.99 - Step 4: Simplify right side
237,159.83x = 42,459,127,345.62 - Step 5: Solve for x
x = 42,459,127,345.62/237,159.83 - Step 6: Final answer
x = 179,031.70
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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.