Finding the Fourth Proportional to 225,171.36, 310,722.48 and 124,569.36
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Solution
The fourth proportional to 225,171.36, 310,722.48 and 124,569.36 is: 171,897.97
Step by Step Solution
- Step 1: Write the proportion equation
225,171.36 : 310,722.48 = 124,569.36 : x - Step 2: Convert to fraction form
225,171.36/310,722.48 = 124,569.36/x - Step 3: Cross multiply
225,171.36x = 310,722.48 × 124,569.36 - Step 4: Simplify right side
225,171.36x = 38,706,500,471.21 - Step 5: Solve for x
x = 38,706,500,471.21/225,171.36 - Step 6: Final answer
x = 171,897.97
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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.