Finding the Fourth Proportional to 225,301.84, 310,911.84 and 123,324.80
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Solution
The fourth proportional to 225,301.84, 310,911.84 and 123,324.80 is: 170,185.65
Step by Step Solution
- Step 1: Write the proportion equation
225,301.84 : 310,911.84 = 123,324.80 : x - Step 2: Convert to fraction form
225,301.84/310,911.84 = 123,324.80/x - Step 3: Cross multiply
225,301.84x = 310,911.84 × 123,324.80 - Step 4: Simplify right side
225,301.84x = 38,343,140,485.63 - Step 5: Solve for x
x = 38,343,140,485.63/225,301.84 - Step 6: Final answer
x = 170,185.65
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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.