Finding the Fourth Proportional to 225,983.84, 311,856.84 and 124,010.99
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Solution
The fourth proportional to 225,983.84, 311,856.84 and 124,010.99 is: 171,134.69
Step by Step Solution
- Step 1: Write the proportion equation
225,983.84 : 311,856.84 = 124,010.99 : x - Step 2: Convert to fraction form
225,983.84/311,856.84 = 124,010.99/x - Step 3: Cross multiply
225,983.84x = 311,856.84 × 124,010.99 - Step 4: Simplify right side
225,983.84x = 38,673,675,466.67 - Step 5: Solve for x
x = 38,673,675,466.67/225,983.84 - Step 6: Final answer
x = 171,134.69
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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.