Finding the Fourth Proportional to 111,486.41, 153,850.47 and 60,497.84
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Solution
The fourth proportional to 111,486.41, 153,850.47 and 60,497.84 is: 83,486.60
Step by Step Solution
- Step 1: Write the proportion equation
111,486.41 : 153,850.47 = 60,497.84 : x - Step 2: Convert to fraction form
111,486.41/153,850.47 = 60,497.84/x - Step 3: Cross multiply
111,486.41x = 153,850.47 × 60,497.84 - Step 4: Simplify right side
111,486.41x = 9,307,621,275.74 - Step 5: Solve for x
x = 9,307,621,275.74/111,486.41 - Step 6: Final answer
x = 83,486.60
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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.