Finding the Fourth Proportional to 409,005.08, 613,529.76 and 124,674.02
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Solution
The fourth proportional to 409,005.08, 613,529.76 and 124,674.02 is: 187,017.78
Step by Step Solution
- Step 1: Write the proportion equation
409,005.08 : 613,529.76 = 124,674.02 : x - Step 2: Convert to fraction form
409,005.08/613,529.76 = 124,674.02/x - Step 3: Cross multiply
409,005.08x = 613,529.76 × 124,674.02 - Step 4: Simplify right side
409,005.08x = 76,491,221,568.84 - Step 5: Solve for x
x = 76,491,221,568.84/409,005.08 - Step 6: Final answer
x = 187,017.78
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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.