Finding the Fourth Proportional to 115,330.68, 159,156.36 and 65,029.68
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Solution
The fourth proportional to 115,330.68, 159,156.36 and 65,029.68 is: 89,740.97
Step by Step Solution
- Step 1: Write the proportion equation
115,330.68 : 159,156.36 = 65,029.68 : x - Step 2: Convert to fraction form
115,330.68/159,156.36 = 65,029.68/x - Step 3: Cross multiply
115,330.68x = 159,156.36 × 65,029.68 - Step 4: Simplify right side
115,330.68x = 10,349,887,160.76 - Step 5: Solve for x
x = 10,349,887,160.76/115,330.68 - Step 6: Final answer
x = 89,740.97
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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.