Finding the Fourth Proportional to 219,660.64, 303,128.40 and 124,163.98
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Solution
The fourth proportional to 219,660.64, 303,128.40 and 124,163.98 is: 171,344.44
Step by Step Solution
- Step 1: Write the proportion equation
219,660.64 : 303,128.40 = 124,163.98 : x - Step 2: Convert to fraction form
219,660.64/303,128.40 = 124,163.98/x - Step 3: Cross multiply
219,660.64x = 303,128.40 × 124,163.98 - Step 4: Simplify right side
219,660.64x = 37,637,628,595.03 - Step 5: Solve for x
x = 37,637,628,595.03/219,660.64 - Step 6: Final answer
x = 171,344.44
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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.