Finding the Fourth Proportional to 225,194.19, 310,632.62 and 148,713.99
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Solution
The fourth proportional to 225,194.19, 310,632.62 and 148,713.99 is: 205,135.91
Step by Step Solution
- Step 1: Write the proportion equation
225,194.19 : 310,632.62 = 148,713.99 : x - Step 2: Convert to fraction form
225,194.19/310,632.62 = 148,713.99/x - Step 3: Cross multiply
225,194.19x = 310,632.62 × 148,713.99 - Step 4: Simplify right side
225,194.19x = 46,195,415,600.78 - Step 5: Solve for x
x = 46,195,415,600.78/225,194.19 - Step 6: Final answer
x = 205,135.91
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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.