Finding the Fourth Proportional to 225,139.74, 310,695.30 and 123,163.02
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Solution
The fourth proportional to 225,139.74, 310,695.30 and 123,163.02 is: 169,966.31
Step by Step Solution
- Step 1: Write the proportion equation
225,139.74 : 310,695.30 = 123,163.02 : x - Step 2: Convert to fraction form
225,139.74/310,695.30 = 123,163.02/x - Step 3: Cross multiply
225,139.74x = 310,695.30 × 123,163.02 - Step 4: Simplify right side
225,139.74x = 38,266,171,447.81 - Step 5: Solve for x
x = 38,266,171,447.81/225,139.74 - Step 6: Final answer
x = 169,966.31
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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.